its when you pretend to jerk off when your fist is close
dude look i can pencil dick jack
by bobo11232 June 26, 2009
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A bunch of people getting roudy or having a good time together
Lets jack up our dicks!!
by Dopecoolkid September 17, 2017
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A double-dick jack-off is when a guy takes his own dick in his hand and and grasps it along with his JO buddie's cock, and then jacks them both off at the same time -- trying to cum at the same time so they can feel and see the cum-spasms spurt from one another's dicks at the same time.
Now and then, Matt likes to give us a double-dick jack-off!
by USAF Cadet June 29, 2021
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