Top definition
when one of your buddies ditches you all day for his girlfriend, and hangs out with her at cupcake stores and what not.
"hey, is stan coming out to watch the canucks tonight? nah...he's being a total sin bag"
by freneticmalestrom May 29, 2012
Get the sin bag neck gaiter and mug.
May 4 Word of the Day
A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.
Dude 1: Bro I just got Arnold Schwarzenegger’s number!
Dude 2: Carpe DM, bro, Carpe DM.
by LolWut098 December 30, 2020
Get a Carpe DM mug for your cat Paul.
2
An ugly woman, one that you only would hook up with if you are drunk, high, or really really horny.
Chris: Yo, did you hear he took that sinbag to the shed last weekend?

Michael: Amen, he ran a train on my bed. True roadie.
by TruRoadE March 10, 2008
Get a sinbag mug for your barber Larisa.