Origin of the phrase ''Respect,man/bro. ''?
Solution 1:
The Green’s Dictionary of Slang suggests that the expression originated in the black communities and is from the ‘90s:
Respect:
(W.I./UK/US black teen) a phr. used to accord the subject the respect they have earned on the basis of earlier positive or praiseworthy actions; also used as a greeting.
1991 [UK] Reeves & Mortimer Vic Reeves Big Night Out n.p.: Yo! Respect, Dennis!
1997 [UK] C. Newland Scholar 46: Respec’ cuz, for that ironin’ lick.