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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: ....
by
JBizzle89
November 12, 2012
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Thunder-pumping
neck gaiter and mug.
Thunder Pump
To
hump
someone as
hard
as you
possibly
can.
Mate, I
thunder
pumped
that girl
all night long
!
by
Johnny Bad
May 25, 2008
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Thunder Pump
neck gaiter and mug.