Top Definition
Acronym: Oh Shit It's Monday Tomorrow.
antoym of TGIF
Person 1: "Ready for the test tomorrow?"
Person 2: "OSIMT."
by Chewman September 12, 2010

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.

×