2 definitions by Geothermal

Top Definition
Similar to Rocking Out
Listening to progressive music but imitating the excellent musicianship often while moving your upper body to the music.
Actions often overexaggerated
"Hey, WTF are you doing?"
"I'm just progging out, although your feeble mind does not understand the insane complexity of my progressive music"
by Geothermal April 16, 2008

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Alternative to ballroom. When you have left your testicles unwashed, or have exposed them to spores that they have grown mushrooms on them
Matt must never wash his junk, he's got about a million ballshrooms on his testicles
by Geothermal February 15, 2008

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