FSU meaning Fuck Shit Up, The football team FSU wildcat surprise is local to Allen, Texas. They are fun day champs, and easily one of the greatest football team of all time.
by The Jolley Trolly July 14, 2009
basically means to fuck shit up. for instance, if you looking like a bad ass bitch on your recent ig post, and people comment "fsu sis", it's because you looking like a bad bitch and fucking shit up! you do yo bad bitch <3
by billieisbae May 29, 2019
FSU is texting shortcut for Fuck Shit Up. Fuck Shit Up is usually used when a group of people do something and mess it up, but in a bad way.
by Genius of Terms and Words January 8, 2017