acronym that stands for "Shut the fuck up, loser."

Sometimes pronounced like "stuff-fool"
<ineedfriends0132> my life sux, y won't u guys be nice to me ur so mean plz be my friend :(
<coolguyx1035> STFUL
<ineedfriends0132> :(
* ineedfriends0132 has left the channel
by interwebmanx99 June 06, 2004
"Shut the fuck up, lamer."

pronounced stuff-full or s-t-f-u-l
next time you see someone acting lame, tell them to STFUL.
by Ananonymousmouse June 07, 2004

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×