Top definition
-Verb
1. When you are playing a game and you cheat, and the other person or persons know you are cheating.

2. When you cheat at something, and people around know you are cheating.
We played cards all night, and Mike totally Boo Cheated the whole time!
by Walt G-Pa and Fre G-Ma October 02, 2010
Get the mug
Get a Boo Cheat mug for your cat Riley.