Top Definition
to masturbate with your index finger and thumb in an upward and downward motion similiar to pumping a supersoaker water gun
"hey man what are you going to do today." "dude I don't know I think I'm going to go into pumping the supersoaker."
ayon kay vince e. ika-31 ng Enero, 2009
5 Words related to pumping the supersoaker

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