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7.
180
In darts, the greatest number of points that can be scored in one turn, achieved by hitting the triple 20 on all three throws. Also called a ton 80.
A perfect game of darts: 501-180-180-(3*20+3*19+2*12)=0
by 0matrix April 26, 2008
 
1.
180
(v.) To turn around in one's attitude and actions.


(v.) When snowboarding, skating, bmxing or similar, a 180 is turning the medium around quickly.


Both definitions are from 180 degrees, a half-turn.
A) He did a complete 180 after the Germans attacked.

B) He pulled off a 180.
by Kung-Fu Jesus May 07, 2004
 
2.
180
High-IQ woman from Yale, or some other "good" school, who's also a ho 'tween the sheets.
Barbie Doll, a 180 honey in sling-back kicks and a spray-on Armani, walks in the bar, hip-checks the bouncer . . . heads don't just turn, they whiplash. . . .
by William Dean A. Garner August 28, 2003
 
3.
180
The action of pivoting at a 180 degree angle (i.e. turning around) when a male is performing #1 at the toilet bowl but then realizes that he also has to do #2.

This typically does not apply to Urinals or to females (unless the female likes doing #1 standing up)
Although he thought it would be a quick trip to the bathroom, Billy realized he should do a 180 before his long commute.
by That's My Q November 10, 2010
 
4.
180
Used alot in skiing and snow boarding. Spinning 180 degrees, to face the opposite way.
"Dude, I Pulled a smooth 180 off that jump"
by Snips July 28, 2003
 
5.
180
A Match.com phenomena that commences with the cyber stalking the pretty person, followed by an e-mail to him or her telling them how terrific and interesting he/she seems, followed by pure hatred of the pretty person when he/she doesn't respond.
Jamaal: "Hey nigga, did Shaniqua_4507 get back to you?"
Rayshard: "Who?"
Jamaal: "You know, dat bitch you said was da one fo you."
Rayshard: "That bitch? She has a small ass anyway."
Jamaal: "Sounds like a Match.com 180 to me. I tole you never git on dat thang."
by ChumleyTWalrus December 04, 2010
 
6.
180
1. A time period in which someone is placed in segregation (DSU, The Hole) for a long amount of time. 180's are given for major offenses. It equates to 6 months, and is usually followed by a year in IMU.

Other common sentences are 90 & 120.
Did you hear that Spooky got a 180 for beating that guys head in on the yard a few weeks back?
by NotYourAvgWhiteGirl March 15, 2009