When you are driving and you or someone else in the car have to go poop. (or if its a girl just do anything) Hence the word "sit"
Joe: anyone need a sit stop before we get on the highway?
Amanda: yes, i have to so bad!
by stevie rock September 14, 2008

5 Words Related to Sit Stop

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×