Top Definition
An epic, and even violent doody event (anal explosion), after the consumption of McDonald's, or "Mickey Ds". It usually happens 1/2 hour to an hour after indulging in the omni-present Scottish cuisine. It gives no warning, and may render an unsuspecting individual with a STANK- ASS, and messy drawers! Big Macs are notorious for such an event.
Yo son, I just took the most stank-ass McDump after eating two quarter pounders, fries, a shake, and an apple pie. It was nasty yo, and cleared out the public restroom!"
di master gas blaster 03 gennaio 2003
The unpleasant bowel movement that occurs within an hour of eating at a certain fast food restaurant. Most food takes roughly 4 hours to digest, but this biological puzzler takes less than an hour.
Just like clockwork, I had to take a McDump 15 minutes after I left the restaurant.
di Mr Sleep 24 giugno 2007
Taking a shit in McDonalds and then just leaving it.
Dude, we've really got to go, I just took a fucking huge McDump and now the toilets backed up, there's crap everywhere and people are crying
di ManWhore89 09 aprile 2015
McDonald's crappy food
I just had a McDump.
di Firefighter Rocky 07 aprile 2011

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