Green’s Dictionary of Slang

cute suit with the loop droop n.

[cute adj. (2)]

(US black/Harlem) an ostentatious drape suit, popular at the time.

[US]D. Burley Orig. Hbk of Harlem Jive 53: If it is the cute suit with the loop droop, you’re playing the game, really ole man, quite the same.