Green’s Dictionary of Slang

1. (US) a morgue, a cemetery.

1976		C. Durden No Bugles, No Drums 147: Dago had Longfeather drive us to the body shop. The place where they try to fix up dudes who’ve been had.
1980		in letter cited in Lighter HDAS I.
2002		City of the Silent 🌐 body shop morgue.

2. (US black) a hospital [refers to the ‘mending’ of automobiles].

1994

G. Smitherman Black Talk.