a sexual act which involves a guy having sex with a girl who is on her period, then pulling out and dickslapping her on both sides of the face, resembling the joker from batman.
guy 1: my missus is on the blob.
guy 2: you should straight up joker her!
guy 1: what?!?
guy 2: fuck her then dickslap her! she'll look like the joker from batman dude!
guy 2: you should straight up joker her!
guy 1: what?!?
guy 2: fuck her then dickslap her! she'll look like the joker from batman dude!
by bobbypear February 12, 2012