2 definitions by Moskau

Top Definition
To jack off in the middle of a firefight, or any combat situation.
Bob: Oh shit man, I'm scared of these Sammies.
Jim: Let's just combat jack to relieve the anxiety!
by Moskau September 07, 2005
To jack off while parachuting.
Bob: Hey dude, lets harness jack!
Jim: Alright!!
by Moskau September 07, 2005
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