1 definition by Evan, one of the fat black man's forever-impacted

Boot Knocker

A frozen bottle of water (containing "MAD ICE CRYSTALS") sold by a fat black man in Washington D.C. that strongly resembles Bizarre from D12. The term can also be used to describe something important

This shit's the boot knocka, yo gotta buy one.

by Evan, one of the fat black man's forever-impacted February 13, 2003