1:
Mean's "i don't give a fuck what (
he/she/it/you) thinks about me". Used in a humorous way, usually implying someone or something else is taking offence when this is not necessarily the case.
2:Can also be used as a
dismissive term, normally for an inanimate object.
1:(a) - "Yeh anyway Rachel is a twat. GIVE A FUCK PAUL" (implying that Paul has taken this statement as offensive, and you don't give a fuck he is offended, although he may not really be offended at all).
1:(b) - (in a shit club called Gravity) "This club is shit. GIVE A FUCK GRAVITY."
2:(Trying to fix a
printer, can't and you are pissed off). GIVE A FUCK
PRINTER (implying you don't think highly enough of
the printer to get angry about it, even though you clearly are).