cup check
noun1
Hobbies, Lifestyle, Sports A tap on the groin given from one (male) athlete to another, to check if the other is wearing a cup by hitting them lightly in the testicles.
- (door bell rings) “I got it!” “You opened it last time! Cup check!” “Punk.”2012 May 6, Erik Sommers, “Ricky Spanish” (2:04 from the start), in American Dad!, season 8, episode 17, spoken by Francine Smith (Wendy Schaal):