Top Definition
An over-used phrase on Tumblr after Glee's Chris Colfer hit out with it on the opening number for the 2010 Emmy's.
Rachel: I'm in love with Finn..
Kurt: Oh, it's on bitches.

Anon: I be a noob who don't ship monfer! Herp derp.
Monfer shippers: Oh, it's on bitches.
by overthebra September 01, 2010

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