1) To not give two fucks about anyone or anything. To be a dick and very inconciderate in a public place.

2) To be a complete asshole outside of your house and not care if you get booked

3) To go out during the weekend with your closet friends and party the night away while not caring what you look like cause your having so much fun

4) Making a fucking riot in a place of business.

5) Destoying public propertiy in a non orderly fasion.

to compete intensely, esp. in a sport

(verb)- the act of dominating or doing something hard to accomplish in any activity

(1) to mess up, to make something fubared, and/or to mess with for no reason

(2) to smoke a certain amount of weed therefore messing your self up

To cause trouble by being careless on purpose, or to cause a riot.
Also Used in a song from be you're own pet

the act of getting wasted off of stolen alcohol; typically followed by various acts of destruction upon a neighborhood, which may or may not include the act of burglary/grand theft

To make a bad situation worst.

The intentional, and deliberate action of creating chaos for the amusement of one's self or peers. Fucking Shit Up is appropriate in almost all situations including, but not limited too: Schools, Malls, Homes, Weddings, Parties, Occupational Facilities, Cemeteries, Supermarkets, Fast Food Restaurants, Fairs, Beaches, Public Events, Hospitals, and Gang Affiliated Territories. Fucking Shit Up is a skill that not many possess. Only a true psychopathic, twisted, demented, traumatized, deranged, sick bastard is capable of such acts of cruel, unusual and chaotic behavior. This specific type of behavior originated in the city of Miami, Florida. The prerequisite symptoms of someone about to Fuck Shit Up, are feelings of: Anger, Anxiety, Hysteria, Frenzy, Restlessness, Boredom, Spontaneous Loss of Self Control, Hyperactivity, and Masochism. WARNING: If within close proximity of someone who is under of any of the effects listed above, proceed with extreme caution as your life is in a high level of danger. Being victimized of such behavior may display feelings of: Depression, Fatigue, Hopelessness, Desperateness, and Extreme Frustration.

The act of destroying property or causing inappropriate mischief at a party, generally whilst under the influence of a alcohol. Commonly abbreviated to FSU (which may be used as a noun or as a literal abbreviation).