A verb phrase used primarily by black girls who A. 1) are crossing over to date white men, e.g. the newly converted American R&B singer–songwriter Toni Braxton, and/or 2) who love to date white men exclusively. B. In it's original and non-dating sense though it applied to individuals who use cocaine, e.g. the late, great American singer, songwriter, musician Rick James.
A. "Girl, that white man's so damn fine. Wait here with the brothas while I go play in the snow with him."
B. "Man, I'm got enough powder here to play in the snow forever."