Top Definition
a large ejaculation after a long absence of not doing so.
I had a contest with my friend jeremy to see who could go the longest without jacking off. I lost, but when I did it, I niggasploded.

Dude, it's been a while, I'm probably going to niggasplode.

I totally niggasploded on her face.
by pecansofpie December 30, 2007
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