When a man pulls his genitals over his boxers and pants in order to urinate. (as opposed to leaving the top button done and unzipping the fly)

Most commonly done with button fly pants.
"Dude, I forgot I was wearing these new button fly pants- I needed to jump the fence once I got infront of the urinal"
by vishnook December 19, 2012
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To initiate sex.

This world is too sexually repressed and there needs to be a way to break the taboo.
Girl: Hey you're cute.
Boy: Thanks, can I jump your fence?
Girl: Sure :)
by wheerandbiskey November 13, 2016
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