Top definition
When a guy/girl chooses to break up with their girlfriend/boyfriend while in a crappy fast food restaurant.
This usually occurs after a bad fight when the dump occurs it is customary for the dumper to stand up and shout

You have been McDumped!!!!
Kelly: Did you hear that Sharon was McDumped by John?

Joe: ha serves her right she was a bitch
by TrueDeathMetal/DeathcoreFan August 03, 2009
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The vengeful act of crapping on a lover's chest while they sleep.

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