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."
"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
 Get the Jerk Outmug.
Get the Jerk Outmug. by bob_slocum July 10, 2017
 Get the jerk-outmug.
Get the jerk-outmug. by railwayhandjob1801 January 16, 2016
 Get the jerking outmug.
Get the jerking outmug.