Top Definition
To jack off at least 4 times a day, even when you're at your grandmothers house.
Sierra said to Regina, "Hey, looks like he's pulling a halverson again today! At least it isn't at school this time."
#jacking off #jizzing #cum #cumming #masturbating #grandmother #dick #penis #halverson #pulling #pull #four
by thefreshmenwhomakeoutinthehall April 12, 2011
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