I really appreciate that, while texting, 3 letters
Breaking Bad rating, 4 letters
Adult program rating, 4 letters
Adult rating for the small screen, 4 letters
Frequent HBO rating, 4 letters
Like Nip/Tuck, rating-wise, 4 letters
Like some South Park episodes, 4 letters
R for the small screen, 4 letters
Rating for 'South Park' and 'The Sopranos', 4 letters
Rating for NYPD Blue or South Park, 4 letters
Rating for South Park, 4 letters
Rating for The Sopranos, 4 letters
Rating for HBO's Deadwood, 4 letters
Rating for many HBO shows, 4 letters
Rating of a program blocked by a V-chip, 4 letters
Rating of some Adult Swim shows, 4 letters
Rating of some shows, 4 letters
Strong-language indicator, 4 letters