This usually happens from too much drankin'.
While sitting on the pot after having filled it to the brim with butt mud, the smell becomes so sickening that you are forced to swing around and throw up into the bowl, thus turning 180 degrees.

(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.

High-IQ woman from Yale, or some other "good" school, who's also a ho 'tween the sheets.

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)

Used alot in skiing and snow boarding. Spinning 180 degrees, to face the opposite way.

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.

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.

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.