Whats a good comeback for when someone calls you a poser?!

Whats a good comeback for when someone calls you a poser?

my sister always calls me a poser. she is fat. what is a good comeback

eat until u pop.. lol. i love that one. its kinda mean tho.. lol

or

"oh.. u talk.. i thought u only open ur mouth if u wanna put food in it"

or.. atleast my poser skinny *** can get a man, the only man ur fatttas is getting is chief boyardy"

((srry.. i dont no how 2 spell boyardy, u no the guy on the pasta can))

hope it helps : ) i'm not really good at combakks