1.) To relive a sexual experience one had as a youth to please themselves in the present.
2.) Finding something you once masterbated to in the past and re masterbating to it in the present.
Connor: "What did you do last night?"
John : "You know. Did a quick nostal-jerk and went to sleep."
by iluvbiterz June 24, 2016
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A fond remembering of an event or a time period that you couldn't possibly have lived through yourself.
Tony is only 20 years old but he's into the Rat Pack. His iPod is full of Sinatra tunes. He's got a bad case of nostal-ja vu.
by Cpl Otter March 13, 2008
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