Definition of "whitey"

I can't pay no doctor bills / But whitey’s on the moon / Ten years from now I'll be payin' still / While whitey’s on the moon

1970, “Whitey on the Moon”, in Gil Scott-Heron (lyrics), Small Talk at 125th and Lenox

She's a whitey in jeans / She's an outlaw

1970, “Outlaw”, in Outlaw, performed by Eugene McDaniels

"Whites don't like us because they think we're niggies. And blacks don't like us because they think we're whiteys. We don't fit anywhere. That's why we've gone off alone, created a totally separate thing."

1976, New York Magazine, volume 9, number 47, page 102

Touché, honky. So, whitey, what did you do today? Oppress a new land and make the people there Christians against their will?

1997, Dave Chappelle, “Racism Connoisseur”, in HBO Comedy Half-Hour (television production)

(Drug users consuming this much alcohol are either slumpped in the corner having a whitey or already on their way to casualty in an ambulance.)

2002 April 11, mi...@emgee.demon.co.uk, uk.politics.drugs‎ (Usenet)

'Youths' happily do both and they're almost seen as weird if they don't smoke themselves into a whitey with their mates.

2007 February 13, Baroness Edwina Frogbucket, “Cameron calls for harder line on cannabis use”, in uk.legal‎ (Usenet)

Ocasionaly[sic] things don't work quite as expected but seriously i can't remeber[sic] last time i had a "whitey" not for many years that a certainty.

2007 April 29, Mark Whiteley, uk.politics.drugs‎ (Usenet)

'Dead bodies. Up in trees,' I said.I handed him the crisps.'I'm gonnae have a whitey,' he said and fucked off up to the toilet to be sick.

2012, Jenny Fagan, The Panopticon, page 233

Tristan: I'm having a whitey. He seems about to be sick. Connie: You're on a placebo, Tristan, you're not on the drug.

2013, Lucy Prebble, The Effect, page 75