Top Definition
I tell you, she was so up for a porking her happy flaps were dripping with fanny batter, opened up like a wizard's sleeve revealing a gash as smooth and slick as an inside-out dolphin!
by Fanal Gourmand March 18, 2004
A particularly lippy vagina.
Dude, i could have wrapped that chicks happy flaps around my ears last night.

Why don't you go play with your grandmothers happy flaps.
by SlothWASMachete July 15, 2010
Autism term that refers to the hand flapping that is done when happy or excited
I was so happy that a new season of my show was coming on that I started happy flapping.
Sarah's favorite song makes her happy flap.
Jim happy flapped when he found out he was going to Disney World.
by OEvens August 09, 2015
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