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When you jerk off in a restaurant or store. If you work there thinking your making money while jerking off. (McDonald's, Burger King, etc) also known as burger jerker, meat surfer, jerk-mart, the flame grilled cheese cummer, sperm vulture.
"Hey how was work today?"

"It was okay I had a Mcjerking while I was there"
by Zerker Surfer 420 September 06, 2016
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