To explode in a surreal fashion, and after said object would nto explode. AKA: the suprise explosion
The best way to avoid injury form a mcsplosion, wait precisly 5 seconds
A: The hell!!! the firecracker is a dud
b: *walks up to fire cracker* I am scareded it might mcsplode on me.
A: The hell does that mean?!?!?
B: Just wait for 5 seconds.
*BOOM*
B: Told ya it would have a mcsplosion BIATCH
by sdfjask.vas November 02, 2009

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Top Definition
noun: the unfortunate physical aftermath of a night at McDonald's eating chicken McNuggets or any other greasy/oily/cheesy fast food.
"Whew," said the strange man pointing to the men's restroom, "do not go in there, dude-- mcsplosion."

Mcsplosions are a leading cause of US emergency room admissions and have even contributed to the further destabilization of the San Anreas fault.
by KatieOh! May 01, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt