smashface Share definition Flag To shamelessly stuff your face with heavy foods (i.e. Pizza, burritos, doritos) As I was snacking on a piece of pizza outside of the convienient store a gentleman walked passed and said, "oh, you be gettin' your smashface on." smashface by Lee Sauce April 14, 2006 0 0 Get merch Get the smashface mug. Buy Now — $32.95 See more merch