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Something that is said when another person half-assedly claims that they are going to do something. Calling out "man chest" will solidify that the original person has to what they had said they would do. Failure to follow through will result in a slap to the chest of the desired amount of brutality by the person who called "man chest." ~Originally used by La Costa Canyon and Ranch Bernardo High School Wrestling Teams.
Mike: "Ay yo faggots, I'm gonna slap this bitch's ass."
Brian: "Man chest, you maurk!"
by King of Half-Assery October 16, 2013
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