by seizure2112 March 25, 2019

by Your name = Sean April 21, 2008

Short for Fecal Urgency. Severe diarrhea that comes on so fast that a bathroom must be found within a matter of minutes because it's coming out no matter what. Often contains little or no solid matter and feels like you're peeing out your ass. Frequently occurs the day after a long night of drinking
Those Jager shots I did last night caught up with me around noon and I had to stop at a gas station for a major F.U. attack.
by Urban_Wordsmith February 26, 2005

That dude is totaly FUS! George Bush is completely FUS.
by CrassMonkey June 9, 2008

For people who are too lazy to type out the entire phrase, "Fuck You".
Often used in computer speak.
Often used in computer speak.
by RawrNinjaRawr March 16, 2009

by Crookville Zoo April 7, 2009

The element symbol of Colbertium.
by BF Torchman April 26, 2011
