moose knuckles`
n.— «Always been partial to “Moose Knuckles.” » —“Re: Names For -==[Pussy]==-” by Mike Bartmanovich Usenet: alt.tasteless.jokes May 27, 1996. (source: Double-Tongued Dictionary)
Further reading
Matt in Beloit, Wisconsin, reports that when he was in high school back in the 1990s, he and his friends used the word biscuit in phrases like I feel like a biscuit or I bet you feel like a biscuit now, the idea being that someone said something...
Nikki in Charlotte, North Carolina, shares the story of a man who casually told passersby You dropped your pocket, prompting them to check for something that wasn’t there in the first place. That silly saying reminds her of playing pool and trying...