When one masturbates so often they develops friction burns of their genitelia
ie: Jimmy has been jacking off so much he has jerk burn
by demented2 December 24, 2007
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The act of getting debilitating heartburn when you masturbate while standing up.
John: Dude! I almost passed out this morning after jerking it in the shower!

Samuel: Ah man you gots the Cincinnati jerk burn! Its genetic. Your dad probably had it. You should talk to him about it.
by nearfatalcheeto January 20, 2013
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