'60s demonstration target: Abbr., 3 letters
Heat's coming on sound, 3 letters
Snakes on a Plane sound effect, 3 letters
1960's-70's draft org., 3 letters
1970's lottery org., 3 letters
60's demonstration target, 3 letters
As a black mamba warns, 3 letters
Awful sound to hear while riding in a hot air balloon, 3 letters
Bacon-cooking sound, 3 letters
Bad sound for a hot air balloonist, 3 letters
Bad sound to hear in rattlesnake country, 3 letters
Bad sound when you don't have a spare, 3 letters
Becton's tall neighbor, 3 letters
Busy agcy. of W.W. II, 3 letters
Certain card issuer: Abbr., 3 letters
Comment from a snake, 3 letters
Conscription letters, 3 letters
Deflation indication, 3 letters
Discomforting noise to hear from an inflatable mattress, 3 letters
Draft agency: Abbr., 3 letters
Draft board initials, 3 letters
Draft dodgers' bane: Abbr., 3 letters
Draft organization: Abbr., 3 letters
Draft-card issuer: Abbr., 3 letters
Draftee's initial shock, 3 letters
European version of Boooooo!, 3 letters
Fizzle or sizzle sound, 3 letters
Flat tire indicator, 3 letters
Former constription org., 3 letters
Former holder of private drawings?: Abbr., 3 letters
Former lottery org., 3 letters
Former lottery runner: Abbr., 3 letters
Former mil. supplier?, 3 letters
Frying-butter sound, 3 letters
Gp. that had a lottery, 3 letters
Heat-coming-on noise, 3 letters
Hissing snake sound, 3 letters
Indication of tire trouble, 3 letters
It might precede pfft, 3 letters
Kaa's sound in The Jungle Book, 3 letters
Last sound a backpacker might hear, 3 letters
Leak indicator, maybe, 3 letters
Leaking radiator sound, 3 letters
Leaky balloon sound, 3 letters
Leaky radiator sound, 3 letters
Letters for the draft?, 3 letters
Letters of conscription, 3 letters
Line from Snakes on a Plane, 3 letters
Lit firecracker sound, 3 letters
Lottery holder, once: Abbr., 3 letters
Lottery org., 1969-73, 3 letters
Lottery runner: Abbr., 3 letters
Lottery-running org., 3 letters
Many men are registered with it: Abbr., 3 letters
Mil. draft overseer, 3 letters
Mil. induction agency, 3 letters
Mil. registration group, 3 letters
Milit. draft initials, 3 letters
Military draft org., 3 letters
Natl. registry grp., 3 letters
Nutritious breakfast, lunch and dinner, informally, 3 letters
Object of 60's protest: Abbr., 3 letters
Object of S.D.S. protest, 3 letters
Old draft board inits., 3 letters
Old military draft org., 3 letters
One-time lottery org., 3 letters
Onetime greetings org., 3 letters
Onetime conscription agcy., 3 letters
Onetime conscription org., 3 letters
Org. concerned with drafts, 3 letters
Org. dodged by draft dodgers, 3 letters
Org. established in 1917, 3 letters
Org. in which one's number may be up, 3 letters
Org. that registers 18-to-25-year-old males, 3 letters
Org. that registers 18-to-25-year-olds, 3 letters
Org. that registers 18-year-old males, 3 letters
Org. with a lottery, 3 letters
Pressure cooker sound, 3 letters
Protested grp. of the 60's, 3 letters
Protested org. of the '60s, 3 letters
Puff adder's warning, 3 letters
Punctured ball sound, 3 letters
Punctured-tire sound, 3 letters
Response to a sexist joke, in Berkeley, 3 letters
Rude response to the visitors, 3 letters
Sign of an escape, perhaps, 3 letters
Slithery snake sound, 3 letters
Snake's sibilant sound, 3 letters
Snaky communication, 3 letters
Sound after a pin prick, perhaps, 3 letters
Sound after a pinprick, 3 letters
Sound after a pinprick, sometimes, 3 letters
Sound after a puncture, 3 letters
Sound as a tire goes flat, 3 letters
Sound at a fish fry, 3 letters
Sound from a flat, perhaps, 3 letters
Sound from a frying pan, 3 letters
Sound from a griddle, 3 letters
Sound from a hot skillet, 3 letters
Sound from a leaking tire, 3 letters
Sound from a parking diesel truck, 3 letters
Sound from a radiator, 3 letters
Sound from a tire with a hole in it, 3 letters
Sound of a ball losing air, 3 letters
Sound of a basketball with a leak, 3 letters
Sound of a drop of water hitting a hot frypan, 3 letters
Sound of a lit fuse, 3 letters
Sound of a slow leak, 3 letters
Sound of a soda can opening, 3 letters
Sound of a tire losing air, 3 letters
Sound of air escaping, 3 letters
Sound of bacon frying, 3 letters
Sound of deflation?, 3 letters
Sound of escaping air, 3 letters
Sound of fizzling or sizzling, 3 letters
Sound of water hitting a hot frying pan, 3 letters
Sound of water hitting a hot pan, 3 letters
Sound that indicates the oil is hot, 3 letters
Sound you don't want to hear from a tire, 3 letters
Subj. of 60's protest, 3 letters
Threatened snake's sound, 3 letters
Three satisfactory grades, 3 letters
Umbrella org. of draft boards, 3 letters
Unhappy crowd sound, 3 letters
Viper's vocalization, 3 letters
Warning from the critters that appear to be slithering through the grid?, 3 letters
Water moccasin's warning, 3 letters
When this sound stops, you'll be left flat, 3 letters
Worrisome org. for a draft dodger, 3 letters
Worrying sound to a balloonist, 3 letters
Cozzens novel: 1931, 10 letters
Compass point opposite NNNW, 4 letters
Medicinal root bark or S.C. mountain, 6 letters
Alarming sound for a hot air balloonist, 4 letters
Background noise at a cookout, 4 letters
Deflation indication, 4 letters
Flat tire indicator, 4 letters
Frightening sound for a balloonist, 4 letters
Indication of deflation, 4 letters
Leaky radiator noise, 4 letters
Leaky radiator sound, 4 letters
Not a good sound for a balloonist, 4 letters
Radiator or kettle sound, 4 letters
Scary sound for a balloonist, 4 letters
Sound from a leaky tire, 4 letters
Sound from a sizzling pan, 4 letters
Sound from a snake pit, 4 letters
Sound of a basketball losing air, 4 letters
Sound of a live wire, 4 letters
Sound of a slow leak, 4 letters
Sound of air escaping, 4 letters
Sound of air leaving a basketball, 4 letters
Sound of an air leak, 4 letters
Unwanted letters on a boarding pass, 4 letters
Unwelcome boarding-pass marking, 4 letters
Unwelcome sound to a driver, 4 letters
What a balloonist hates to hear, 4 letters
What's missing from the theme entries, 4 letters
Worrisome sound for a balloonist, 4 letters
Mil. registrar's branch office, 12 letters
The sound of makin' bacon the beach, 5 letters
1973 film about snakes, 7 letters
1973 horror flick about a doctor who turns his assistant into a cobra, 7 letters
1973 man-becomes-cobra movie, 7 letters
1973 snake movie starring Dirk Benedict, 7 letters
Man-becomes-cobra flick of 1973, 7 letters
Onomatopoetically-titled 1973 horror film about snakes, 7 letters
Snaky 1973 horror film, 7 letters
Snaky 1973 horror flick, 7 letters
Sound hint that the pressure is going down, 7 letters
Waters of the world, figuratively, 7 letters
Sound heard during an escape?, 15 letters
Executives' underlings, 15 letters
Academic position with a stipend that often involves part-time teaching, 9 letters