1 definition by hpfreaks

Top Definition
1)a thrusting movement used during sex, usually used while saying the word.

2)a word used to describe excitement.
1) guy- Hey
*starts making out*
girl- Moo-yeah!!!!
2) We're going to Waterworld
MOO-YEAH!!!
by hpfreaks August 18, 2007

Mug icon
Buy a moo-yeah mug!