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1.
n. It's like butter, but a sauce. Trademarked and distributed by Uncle Phil Daddy Inc.
Yo, slap me some of that buttersauce!
by Thug Penguin November 14, 2009
 
2.
when one stomps some smooth trickery on skis or when one preforms a butter maneuver on a mountain feature
yo R-dub your switch 5 was soo buttersauce!holla
by just blaze one March 20, 2007