when traffic has ground to a halt or crawl for many miles, usually due to rush hour, heavy construction, or a bad accident.
I'm trying really hard to make it to the show on time, but traffic on I-85 is backed up to West Buttfuck!
by Mike Francisco August 21, 2008
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when a guy sees a female that he finds attractive and most likely with a ghetto booty....he will call to her by saying this
hey you....dont do me like that back dat ass up
by *~Desiree~* July 20, 2004
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Expression used betweem white people
who tend to adhere to black culture.
Nigga Whitish is the equivalent of
"wigger". The association of words
is used as a greeting or when two
don't agree on something.
1. -Hey Jonny?
- Back up nigga whitish? What did you
think of Eminem's latest work?

2. -Hey Joey, you got some dizzle fo' me?
- Back up nigga whitish. I ain't got
shit.
by Makio a.k.a Tudor N. September 27, 2004
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the term for when you are really stoned and you want a pillow so you slide the shit on the floor to a wall.

im really stoned trying to see the TV. im laying down in the mess of my stoned-out dorm room and i slide my back to the wall and make a pillow.
i was layin on the flo tryin to watch this dvd and couldnt see shit. it pissed me off i had to back that shit up and make a pillow
by mackdaddy crystall April 23, 2007
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something or someone that you thought was gone for good, but then is "back up in yo ass.
dude 1: "didn't you beat that fool good?"
dude 2: "yeah, I thought he was gone for good"
dude 1: "well he's back up in yo ass now!"

man 1: "damn it i thought they stopped playin' that stupid commercial"
man 2: "well, its back up in yo ass now!
man 1:shit
by QtotheZ April 28, 2007
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Any time when an individual's ex wants him/her back after breaking up with the person the ex was previously dating.
Mike: Hey Joe. You remember my ex, Samantha?
Joe: Yeah, why?
Mike: Her and I are talking again. Apparently her boyfriend dumped her.
Joe: On back-up booty call I see...
by smatt154 March 2, 2014
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A dirty hammer usually used for beating things live a retard. Can be used as an insult if desired.
by JustaStoner January 14, 2020
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