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To make it with a girl someone else was just hitting on.
Ted's Dad was Barney's wingman, but when Barney couldn't seal the deal that night, Ted's Dad rackjacked him.
by Declow October 03, 2006
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3
to steal a girl from a someone that they are trying to hook up with.

Bob:"Dude, I met this chick at the bar last night, and later I went for a bathroom break. When I came out I saw John making out with her."

Joe:"Aw man, he totally rack jacked you"
by mista biggins October 07, 2006
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5
Stealing a perfectly nice set of breasts right out from under your friend.
I would have scored with that busty blonde last night but I got rackjacked by Joe.
by MJ Adams October 03, 2006
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6
The act of masturbating while in your bed (rack) when you're incarcerated
Bunkie: dude. Why is our rack shaking!?

Me: I couldn't stop thinking about my girl so I figured rack jack for a bit
by GOD for short February 03, 2015
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7
to steal a girl from a someone that they are trying to hook up with.
"Dude, I met this chick at the bar last night, and later I went for a bathroom break. When I came out I saw John making out with her."

"Aw man, he totally rack jacked you"
by mista biggins October 03, 2006
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