The stroking of ones genitals using your hands; masturbating; flogging the dolphin; choking the chicken; jaggin off; sweeping the chimmney;
Hey man, what did you do last night? Oh, not too much.. Just stayed up all night hand jamming...
by Hand Jammer May 25, 2010
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larry: shiiiit, two hand jam?
johnlarry: dont you mean bball?
larry: yup.
by funkmasterflex124 October 31, 2009
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Masturbation,one handly Eagerly Pleasing yourself
He's been in there for awhile, he's probably doing the one hand jam.
by Emazingjrow February 1, 2018
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