Top definition
to pull the labia majora outwards while performing cunnilingus and frantically slap them together
she: what the fuck are you doing down there?!
he: oh baby, just flap jappin this mutha fucka.
by black baby jesus June 08, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug