Someone's blood that isn't yours; usually after a fight.
"My friend Adam came home covered in alley ketchup"

"Damn, is he okay?"
by kelloggs h November 5, 2017
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A very small but cute girl, most of the time has a very nice bum and large tits. Alleys tend to only be good at one sport, soccer. They complain a lot and think that the whole world is against them, when this definitely is not the case. They also have trouble with guys, many guys like them but they can never pick the right one. Also, in school they suck up to teachers as much as possible even though they think teachers hate them also.
Dude, that girl was fit like an Alley Vlogiannitis" or "Man, that girl needs to stop being an Alley Vlogiannitis and stop sucking up to the teacher"
by lennyd November 19, 2010
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A salon with lower quality services typically ran by lower quality and trashy stylists. If you’re broke, go to a back alley salon and get garbage quality hair. Very unfortunate. Think of this is the worst possible choice for your hair care needs as the establishment, owner, and stylists are all not wanted anywhere else. Even great clips don’t want none of that shit.
Back alley salon was cheap but I’m bald now....”
by ImSavageAsFuck November 12, 2018
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A minimum of two people, spreading their butt cheeks, and pressing them together.
Bob was tired of the mundane corporate life and needed to invigorate himself with a daring back alley meeting.
by OreoGobbler2 December 24, 2022
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When you get hit by a car and take the driver behind the smoke shop to eat her ass instead of calling the cops.
Linda hit me at 7Eleven so I took her behind the smoke shop and gave her a back alley mopping while she yelled "Oh, Asia!"
by Cum Cracker February 16, 2023
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The best place to go when you need drugs, located at woodcreek, multiple dealers take residence here, one is known for his strange dealings in the world of yogurt covered skittles, and Cocaine Carter lives

in an airduct by the alley.
Meet me after school at Drug alley, 20
Minutes past 4.

I found my dog in drug alley
by Amilkyman March 22, 2021
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