When doing anything in life which causes such pleasure that you unexpectedly nut in your pants.
I was walking down the street and out of nowhere I spontaneous nut my pants
by DatNutLife October 2, 2017
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When you see a girl so hot, that you cant control your man parts, and you jizz in your pants unexpectedly
That girl walked past me and as i watched her walk away it made me spontaneous combust-a-nut!

The Stripper was grinding on me and before i knew it, spontaneous combust-a-nut
by Supraman221 February 25, 2011
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I spontaneously combusted a nut in front of my crush

He spontaneously combusted a nut after seeing the lover of his dream

spontaneously combust a nut is defined as being serious in a sense
by Yourself34245 December 10, 2022
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