Definitions by Paris Hilton is The Shit!

stop yourself 

Telling one that they need to stop doing something.

"Lisa needs to stop herself with those side ponytails!"
-or-
"Dude, can my boss stop himself? He is always talking about how hot so and so is!"
-or-
"Dude can you stop yourself with the cocaine binges already?"

stop yourself by Paris Hilton is The Shit! May 26, 2007