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This term originates in Knoxville, Tn by way of Jacksboro, Tn. It refers to getting caught masturbating in the morning by your mother when she is bringing you lunch money.
Josh got Mammy Johnson'd this morning before work. I bet he's gonna have an awkward dinner.
by Ashley P. November 14, 2008
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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