buff up

buff up

To make a surface (such as metal) smooth by rubbing it so that it shines. A noun can be used between "buff" and "up" or after "up." I buffed up my car so that it would look nice at the wedding.
See also: buff, up

buff something up

to polish something to a shine. He buffed his shoes up and went out for the evening. He buffed up the antique silver platter.
See also: buff, up
References in periodicals archive ?
At Silverstone, the top 8 saw Buff up against old rival Phil Morrison in his Silvia S15.