When you're working out and you get a hard-on so you jack off. After you cum, you clean yourself off and go back to working out.
"Hey Bro, I was halfway through gettin' swoll when a total babe walked by me."

"So what did you do?"

"I whipped out my raging hard cock and jerked out by the treadmills."

"Dude that's really messed up, I could never jerk out in public."
by DickSchnepp January 23, 2013
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Jerking-off to flush out sexual thoughts about a particular person
"Stop thinking about your ex-girlfriend. Take 5 min and jerk-out the girl man!"
by bob_slocum July 10, 2017
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Carl: I watched a pornographic film last night of two dudes in a gym jerking out together.
by railwayhandjob1801 November 12, 2015
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