During cunnilingus, the act of being slapped in the face by beef curtains, or flappy labia lips.
"So I was eating this chick out last night and she was so loose that I got beefslapped!"
by lechesucio February 17, 2009
I was airhumping in class and i made a beefslap.
by giggidygoo4u May 17, 2006