by bez then July 20, 2008

Basically the same as saying 'shut up' to someone with out sounding mean. Usually used when being goofy.
bob: "Hey, you looked really nice today."
sue: "shup ut. :)"
bob: "shup ut?"
sue: "yeah, you heard me. :)"
sue: "shup ut. :)"
bob: "shup ut?"
sue: "yeah, you heard me. :)"
by cavewomanmanman March 5, 2011

shutup fused into one word is shup, thus shup cow is a phrase directed to a fat shit like lati grant.
by fatshitsheevadijondrivemalarek11507john deereetc October 15, 2006

by Sisko September 24, 2005

by Trace Natey January 24, 2010

by s2kbaby June 27, 2011
