Ballholing

To shove your testicles into the entrance of a cup or bottle.
"I felt kinky so I tried some ballholing into that cup."
by HeyItsThatSexyGuy July 12, 2012
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Jimmy-jumping

Getting an erection while jumping on a trampoline.
"Dude look at that hot girl."
"Ha, you're going to to start jimmy-jumping!"
by HeyItsThatSexyGuy July 11, 2012
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