The gay version of the dirty Sanchez, it's when a guy pulls out of his partner's ass and wipes his dick across his upper lip, leaving a skid mark resembling a mustache. Also known as the Walter ' stache
Brian came into work wearing his Walter Stash and didn't even know it!
by firedan June 3, 2014
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When you smash and stay with them instead of dashing.
"I'm not gonna just smash and pass im gonna smash and stash" - Jeremy
by PieManakai December 31, 2021
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When you tell your friend to smell an incense stick, you put it to their upper lip, press and slide it across creating an incense trail below their nose.
"Dude smell this cinnamon incense."

"okay"
*slides intense stick across upper lip*
"HA hippie stash!."
by Kyler1230 August 23, 2011
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cardboard box used to stash away your porno
I need to let one go, wheres your stash box?
by alt coder October 22, 2005
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Cunnilingus performed to a hairy lady
She was so hairy I ended up with a Russian Stash
by Stashed January 19, 2009
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