Shut the F up means, and pardon the foul language, shut the f*ck up. Most likely the person has said this to you because they feel offended or annoyed by something you may have said to them.
A polite way of saying "shut the f*** up".
shut the f up
it means you should shut the f**k up you t**t
shut the f**k up and get off a**wipe
It means to shut up and go F*** youself! Joey Vickers! Hahahhah Kevin P.
it means to shut your F**** up!
shut up shut up by !@#$%^&*()_+}{ sucker
answer is shut the f*** up forever
shut the f*** up
shut the f up
I think its just like SDFU: Shut the F*ck up . So CDFU is like SDFU , Idk >.<
it means shut the f*** up