It's fucked It doesn't work; it has broken. [SlowRevenge]
I'm fucked I am tired; I am drunk; I have a hangover; I am not prepared to do this (I'm fucked if I'm going to do this); I am in trouble. [BeBandit]
I'm fucked off I am unhappy about the situation, the person, the music, etc.. [jecd]
Fuck off Please go away; I don't believe you; That is incorrect; no. [BeBandit]
Wanna fuck? I am desirous of engaging in sexual union with you.[^SLOW^KICK^] 
Fuck All Nothing. eg., I know fuck all. [N0_such_Nick|Channe|L]
Fuck me! I am surprised; I am desirous of engaging in sexual union with you [SlowRevenge]
Fuck you! I do not like you; I do not like what you have just said or done. [COBA1-crew]
Fuck this! I am no longer prepared to put up with this situation. eg., Fuck this for a game of toy soldiers. [jecd]
Fuck it! Whoops, I seem to have made a mistake. [N0_such_Nick|Channe|L]
Holy Fuck! See 'fuck me!' [J14NC0k]
Fuckpiece My girlfriend, wife, mistress, boyfriend; penis, woman's bits. [fak-da-situation]
Fucker Bad person. Sometimes prefixed with 'mother-' (He is an evil mother-fucker); someone who engages in sexual intercourse frequently. [^SLOW^KICK^]