Top definition
A way of writing "New York City" because each letter represents a borough. M- manhattan, BK- Brooklyn, BX- Bronx, Q- queens, and SI- Staten Island. It's supposed to list these in order of which are the best.
I'm a MBKBXQSI kid born and raised.
by kreasor October 13, 2013
Get the mug
Get a MBKBXQSI mug for your papa G√ľnter.