A white guy who is known to like black girls. A variation of the term “snow bunny”, which means a white girl who is known to like black guys.
White girl: I think I’ll go for Jared.

Girl 2: Nah he’s a snow boy, he won’t date you
by IOnlySpeakTheTruth12345 September 22, 2022
A cute nick-name for a boy who lives in the north.
Snow Boy, can you come down south soon?
by South123456789 February 28, 2011