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.
