Spiffting is primarily done by black males as thier large flared nostrils facilitate a nice clean spift, however white man have been known to spift, primarily wiggers attempting to emulate thier black gangsta heroes.
Negro: "You be not gonna takes me alive motherfuckers!" *SPIFT*
Cop: "Ah fuck, he spifted in my eye, i can't see"
Other cops: "Oh my god, it's the biggest snot i've ever seen" *BARRRF*
Negro: "Feets don't fails me now"
Spiftting should not be attempted by people with small nostrils.