sleigh
To ski effortlessly and gracefully over snow, much like Santa's sleigh.  May elicit the feeling you had when you woke up Christmas morning when you were five.

A noun used as a verb which can be substituted for "shredd" (as in "shred the gnar")

Not to be confused with the verb "SLAY".  Why would you want to kill the precious pow anyway?
"Yeah Mr. McGnargnar, sleigh that crotch-deep powpow!"

or

This particular powder whore's heart filled with lust and his smile grew as he sleighed the newly discovered freshies.