1 definition by OMFGWTFBBQMAN

A mom joke is when someone makes a joke and laughs really hard at it but no one else does. It's pretty much PAST the "fake laugh joke" point.
Bob: Hey hey what did the kids say to the rabbi? Silly rabb-
Joe: Say another fucking mom joke and I'm gonna slit your throat.
by OMFGWTFBBQMAN December 16, 2007

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