Definitions by Johnnypants

Horizontal Hooray 

a variant to the sexual position the butterfly in which the man stands and penetrates the woman laying on her back, usually on a bed, while the man wears a party hat and the woman screams "HOORAY".

After John's promotion at work, Mary decided they should celebrate with a little horizontal hooray.

Horizontal Hooray by Johnnypants December 22, 2009