fuckered up adjective2 •(slang, vulgar) Messed up; out of order; broken.why does it have to be MY generation that's all fuckered up? — 2000 •(slang, vulgar) Stoned or intoxicated.The best tip I can give you, however, is: Don't go around your parents all fuckered up on ANYTHING too many times, eventually they catch on. — 1999 formsmore fuckered up · most fuckered up