The act of saying things about other people that could have heavy implications if they were true, but which however you can't prove
Boris to Francesca: Hey fran you spent a very long time in the meeting with jeremy today. What were you doing in the room Francesca to Boris: Shut up Boris don't stir shit, you know i have a bf
A statement-warning given to someone that what they are about to do may backfire and they may end up regretting it. Another spin on "if you can't do the time, don't do the crime.".
Why did you tell Jennifer you saw me downtown last night? If you are gonna stir the pot of shit be prepared to lick the spoon. After all, your closet isn't so tidy.