Green’s Dictionary of Slang

1. (US black) unattractive, unkempt.

1939		(con. 1880–90s) S. O’Casey I Knock at the Door 176: You raspy little juicy-eyed sparrow, roared Ecret savagely.
1974		Eble Campus Sl. Apr. 2: rasty – 1. bad. 2. having a strong unpleasant smell.
1980		E. Folb Runnin’ Down Some Lines 148: Females, like males, talked about undesirable men in terms of being physically unattractive (raspy, rasty).

2. (US teen) excellent, wonderful (on bad = good model).

2002

‘Valley Girls’ on Paranoiafanzine 🌐 A hot new dress that’s mega raspy and will make all your girlfriends totally jealous [...] But, really, I mean, half of the whole Val image is our totally raspy way of speaking.