1 definition by vanillabean001

Top Definition
IMM stands for the phrase "In my mouth."

Often used to make sexual references out of everyday conversation. Basically pointless, but can be hilarious when used sporadically and at the right moments.
Friend: He's sooo hot!
You: ..IMM

Friend: Just put it there!
You: ...IMM
by vanillabean001 April 09, 2010
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