Monay

This word was coined originally in Quebec, Canada, after a mispronunciation of the french expression "mon oeil".

This expression (while literally meaning "my eye") can roughly be translated to "my ass" or "bullshit".

Girl : So I like totally drank an entire bottle of vodka to myself last night. I was sooooooo drunk!

Clever Guy : Monay!

Girl : Yea, you're right. I had 2 glasses.....