1.When you are talking to a person and you prove them wrong.
2.When you get introuble you wacoosh a person.
3.waving your hand in a slap formation while yelling "wacoosh"
Brian: Jordan's Gay.
Mother: Brian don't say that, you are in big trouble!
Jordan: Wacoosh coosh coosh.
by Devotiesss March 24, 2010
Get the Wacoosh mug.