A cousin who is sent through the mail, whether digital or real life, who proceeds to commit sinful acts, usually of a sexual nature.
by Djchao February 5, 2022
Get the Mail Cuz Sinmug. Hym "Yeah, I don't like that blasphemy is an unforgivable sin. I think it should be allowed. So, it is. I deem that blasphemy is officially allowed. Hurray blasphemy!"
by Hym Iam October 12, 2023
Get the Unforgivable sinmug. Noun: A label for inappropriate, sinful behavior committed by a Christian (or otherwise religious) individual on a regular basis, where that individual sees no wrong doing.
Billy and Ann are driving down the road when they are suddenly cut off by another car. Billy honks his horn and the car in front of him sticks their hand out the window, flips him off, and yells something at Billy. Billy states, "Oh man, that's not cool. And look, they even have a cross dangling from their rearview mirror". Ann responds and says, "Don't worry about it Billy. That's just a subjective sin. They see nothing wrong with their wrath".
by droolyface February 1, 2022
Get the subjective sinmug. by TrailCrew March 17, 2021
Get the Sinsmug. Expression refferring a person who acts wierdly or stupidly. Also, could be used to mention someones looks
by niñocariñoso November 21, 2021
Get the sin vacunarmug. 
Number 15. Obama sin Laden. It is rumoured to be one of the most sinful Obamas to ever be. He is one of the best hide-n-seek players, just like his Arabian counterpart, Osama bin Laden .
by Master of the bizdă February 27, 2023
Get the Obama sin Ladenmug.