swamp ass
n.— «The highlight of the game for me (besides the win, of course) was when the Penn cheerleaders hoisted up one of their own, and some kid sitting down the aisle from me screamed that she had Swamp Ass.» —“Columbia Belongs to Its Own Kind” by Kevin Strouse in Columbia University Columbia Spectator (New York City) Feb. 22, 2001. (source: Double-Tongued Dictionary)
Further reading
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