look up any word, like b4nny:
 
1.
to mess something up.
how does he always f**k sh*t up.
by DJ Herpes May 25, 2006
 
2.
word for a mistake,or anything remotely irritating.the daddy of all swear words,can be used to shock,offend or both.
F**KSH*TUP i broke my ruler.
by russ's_gf March 17, 2004