Its like saying dead ass but way better and people are much more likely to believe you than the basic "Dead Ass" and the and chips acts as a on god replacement.
Did you get the meat out of the freezer? bro I swear I did like "Dead Dick And Chips mom"
Dead chips is a New York slang which means
Ugly
EX:
Imani: Have you seen Leilani’s new snap story??
Jaylani: Oh nah that bitch is “dead chips”
Jaylani: You seen the new girl at our school yet?
Imani: That bitch is dead chips