1. A homophobic person who lets their fear of homosexuality get so intense that they lash out and cause physical or mental abuse.

2. Slang for an exceptionally large sized penis.
Girl one: So how was he?
Girl two: I couldn't walk for a week after he stuffed me with that muffin beater.

Guy one: I heard he was gay..
Guy two: Oh, what the fuck? I don't wanna hang out with him then.
Guy one: Dude, don't be such a muffin beater.
by BeeTerrr April 7, 2011
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