Thunder-pumping

The act of vigorous masturbation, but only when it is so violent that anyone who hears it, assumes they are hearing rumpy-pumpy.

Person 1: I was totally thunder-pumping to your mom's Facebook last night
Person 2: ....

Thunder-pumping by JBizzle89 November 12, 2012

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Related Words

Thunder-pumping • thunder thighs • Thunder Clap • thunder • Thunder Cock • thunder fuck • thunder mug • Thunder Struck • thunder monkey • Thunder Buddy