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1.
To try and masturbate in public or around people without anyone noticing. For example: at the movies, in the park, at a restaurant table, in the car, in class, or at work. Many times there is a wager involved.
Jeremy: Dude, I'll give you 20 bucks if you stealth jack it right here in IHOP.

Josh: Challenge accepted!

10 minutes later

Josh: Hey, Jeremy, you owe me 20 bucks.

Jeremy: What the fuck?! I didn't even notice you!

Josh: That's why they call it stealth jacking!
by DoctaPadd February 25, 2010