Definitions by debbi domination

mo

Someone or something that sucks, is annoying, or is frustrating. See also moped.

You told my boyfriend I hate him? You're such a mo!

Guy 1 : I just lost my job.
Guy 2 : What a mo.

mo by debbi domination November 5, 2008

Similar to mo except more so. More of a sucky thing. More of a frustrating situation, etc.

You killed my mom? You're a moped!

Girl 1 : My mom just died.
Girl 2 : That's a moped.