Masturbation performed exclusively at the base of ones penis.
Steph was base jacking her co-workers Craig and Jason that she developed carpal tunnel and had to file for workers comp.
Verb: When a person steals comments or lines that he/she overheard or read and uses them as if the comment and/or line was theirs. He/she might use bits and pieces of the comment/line, or the whole thing.
Jessica: (talking to Alyssa) The iPhone is a fantastic piece of technology that has transformed people's view of a quality phone.
Alyssa: I definitely agree.
Alyssa: (talking to Mark) Yes I love the iPhone. It is a fantastic piece of technology that has transformed people's view of a quality phone.
Mark: Dude, stop line-jacking. I heard Jessica say the exact same thing.
Hijacking your spouse/partner/girlfriend/boyfriend online account (Facebook/Twitter/etc) that has been left logged in and unlocked (Laptop/Phone/Tablet) to post funny messages as them.
I forgot to lock my iPhone and my wife Spouse-Jacked my Facebook account.
Jack Murphy is the kind of guy that says he will chin wag your mum, but all he does is play with cocks on his ranch. He thinks he owns the place, but all he owns is a Mitsubishi triton.
Jack Murphy can take a hydraulic suck on a big fury testicle sack...
Go fuck yourself Murphy.
When a person uses two hands to get a male to climax as fast as possible.
Sally has the best hands for a Power Jack. Last night her delicate and smooth hands made me cum so fast I couldn't even make it a whole minute.
Seen to have explosive, ripped muscles beyond any recognition.
Joey Porter, a man among boys, is Diesel Jacked.
Ronnie Coleman is diesel jacked.
the act of pooping on a females chest while jacking off
I took a dumping jack on Jane last night