someone who messes up consistently
Your failing, Jimmy?! I swear it, you're gettin to be a screw up.
by Nicole February 16, 2004
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The act of failure in doing a job which wasn't intended or expected by the others.
Jim:What the fuck was that man?
Robert:I know I screw up.
Jim:*angry and disappointed*
by dipshite March 29, 2014
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Screw up is when you say the wrong name to your bitch while having sex.
uhhh Britney spears, you're so hot - SLAP - My name is Celine dion you stupid motherfucker!
by Kasper Nielsen April 3, 2004
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To make a mess of something, to completely ruin something, to make a mistake
Ffs, what a Screw-Up.
"did you see that? what a Screw-Up!"
by FelixB666XD November 8, 2009
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1. To fail at something, to do something wrong/incorrectly (sometimes repeatedly). Someone that screws up a lot is called a "screw-up"

2. To describe hurting someone emotionally or physically. Commonly used when threatening the one you want to hurt.
1.
Person 1: "I stayed up late last night to study but I couldn't concentrate that well."
Person 2: "You're gonna screw up that test."

"This is the 5th time in a row I'm getting a bad grade. I'm really screwing up."

"I couldn't stop stuttering when introducing myself to him. I screwed up so badly."

2.
"Oh yeah!? You wanna mess with me, kid!? Ohh, I'm gonna SCREW YOU UP!"

Person 1: "Haha, I totally screwed that kid up, did you see his black eye?"
Person 2: "Yeah, he deserved it!"
by HaltDenMund December 20, 2010
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Some one who is messed up or deformed.

Someone who is stupid or ugly.

Someone who is screwed or in a screwed up situation.

Someone who doesn't make sense
That dude over there is one screwed up ugly retard.

You are so screwed up.
by Jonathan Hoffman October 12, 2002
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music slowed to slowed tempo,creating a surreal sound a kind of dillusional state of mind. popular in the city of houston, tex aka screwston... made popular by the late great DJ SKREW..
all my music is screwed up...
you got the screwed up version of that slim thugga cd...
by C-MO July 10, 2005
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