Definition of "Buff" :
noun: an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
noun: a medium to dark tan color
noun: bare skin
"Swimming in the buff means to swim naked."
noun: an ardent follower and admirer
noun: a soft thick undyed leather from the skins of e.g. buffalo or oxen
verb: polish and make shiny
"Buff the wooden floors."
verb: strike, beat repeatedly
"The wind buffeted him."
adjective: of the yellowish-beige color of buff leather