A strip of snow left down the center of the roof of a person's vehicle. Either because they are too short to reach it, or just too damn lazy. Resembles the Mo~hawk hairstyle.
There was so much snow on his car that George gave up clearing it off and he left a big old snow hawk.
by ~ Ms Fran ~ December 25, 2008
A mo-hawk that is white.
by MikeHawire May 02, 2005