LIRGAS
rude slang An acronym for "like I really give a shit," meaning I don't really care at all (about someone or something). Used exclusively in writing. A: "You can't steal that! It takes money away from the person who made it!" B: "LIRGAS, man—that's their problem, not mine." A: "Hey, we have a test tomorrow!" B: "LIRGAS! I want to play video games!"
Like I really give a shit!
 and LIRGAS exclam. & comp. abb.  I really don’t care. (Usually objectionable.)  You are telling me this why? LIRGAS! 
LIRGAS
 verbSee Like I really give a shit!