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Ejaculating in your pants from a lap dance alone, without any direct stimulation of the penis.
I went to the strip club for lapgasms every night last week, now my pants glow whenever I go someplace with a black light!
by 4got2wipe March 04, 2015
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Busting a Nut in your shorts during a lap dance while the dancer gives hardcore direct stimulation with her hands, breast, mouth, ass, thigh and pussy to your dick without taking it out.
Little Johnny went to the strip club last night and payed for a lap dance from a sexy red head with big breast. During the dance the sexy stripper rubbed her breast so good on little Johny's dick he couldn't help but to LapGasm all over the inside of his gym shorts
by JuiceBoxSixNine September 23, 2017
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