Happy flappy

1. Exaggeration of the word 'Happy'

2. Often used in a birthday wish

3. characterized by or indicative of pleasure, contentment, or joy.

"Have a happy flappy birthday!"

Can be used as a 'messy birthday wish' as in: "Hope you have a happy flappy birthday. Lots of slobbery kisses, Mr. X"

by BlankoBP October 5, 2011

Mr Happy's Flappy Garage

An expression used to describe a vagina.

Lianne: Are you pulling into Mr happy's flappy garage tonight? Fuels on me ;)

James: Yes.

by hotbitchesmotherphucker October 31, 2011

Flappy-Happies

The boobs of a big breasted woman.

Hey bro, did you see those flappy-happies of that hot girl?

by EVAmyLeeMetalhead March 9, 2016