Green’s Dictionary of Slang

1. (US campus) well-dressed.

1965		B. Jackson Get Your Ass in the Water (1974) 162: You could tell he was a pimping motherfucker by the way his hair was gassed.
1989		P. Munro Sl. U.

2. (US campus) doing well.

2000

hipslang.com 🌐 We movin’ on up to the east side, big pimpin, bling-blingin’ and shit. and soon yall fools will be able to see profiles for the boyz behind tha slang! Keep it on the DL.

3. a general term of approval.

1997–2000		College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Pimpin’ (adj.) cool; phat; very good.
2006		G. Pelecanos Night Gardener 299: Our boy don’t look so pimpin now.

4. see pimp v. (3)