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3.
A porn stash is a slang for "pornography moustache". These were very comman in the 70's along with the fucking bush in the pubic region. A more modern porn stash is similar to the one the famous Ron Jeremy has.
"Holy shit that guys got a porn stash, he should be in a porno, homie"
by Dan January 18, 2005
 
1.
Also known as the porn that one has stashed to keep ones wife from finding it, suck as burned on dvd or in hidden files on ones computer. Not me but some guy i know.......
self explanitory see definition
by thep1mp April 22, 2005
 
2.
A mustashe that makes you look like a male pornstar.
Growing a pornstash will really help me get the ladies.
by James Armes September 11, 2007