stfd and stfu

Conjoins the two following acronyms 'stfd' and 'stfu'

"Sit the fuck down, and shut the FUCK UP!"

Used when 'stfd' or 'stfu' doesn't achieve a satisfactory effect.

Often used to establish superiority and 1337ness.

"stfd and stfu bitch and gtfo you n00b"
Mr. Pub-Star 1337

by I_Love_hooters January 04, 2005