Any open beer that has been sitting out at least overnight, and then still gets drank. usually by someone who wakes up still drunk from the night before, or a seasoned drinker after the beer runs out.

"where did you find that beer, I thot we were out?"
"we are, its a yesterbeer..."

"Whatta party last night, I really need something to wet my whistle! What is there to drink?"
" nothing left, just grab a yesterbeer!"

yesterbeer by Master_Sven March 24, 2010

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yesterweed

1. the weed we had just before the current batch. 2. that weed which was had just before this weed. 3. uh, yeah, that last stuff.

The last few batches of weed were all good, but yesterweed was my favorite.

yesterweed by Tortureforpurists October 9, 2019

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yesterworkday

The last day you worked, regardless of days off.

Yesterworkday, this hot girl came in.

But that was Friday!

It’s monday, so that’s yesterworkday!

yesterworkday by CoachK515 December 13, 2018

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Yesterwear

Wearing the same clothes for a second consecutive day because you didn't make it home to change.

Hey check out Doug - he's still in yesterwear cause he crashed on the couch after everybody left the party.

Yesterwear by darsk47 October 13, 2010

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