Celebratory shout, 9 letters
Frat member's Friday cry, 9 letters
Frat shout, 9 letters
Fraternity cry, 9 letters
Friday night cry, 9 letters
Head line?, 13 letters
Doesn't challenge, 8 letters
Moves right for, say, 8 letters
Come have some fun!, 8 letters
Start of an insult, 8 letters
Make-believe intro, 11 letters