What is Flap Slap?
1.
when a woman slaps someone in the face with her labia.
He turkey slapped her she lifted up her skirt and flap slapped him back!
See
2.
The Flap slap is the female equivalent of a cock slap.
She stands over her partner when he is asleep and slaps him round the face with her fanny flaps.
' When Brad was asleep I stood over him and flap slapped him good!'
See