look up any word, like rimming:

1 definition by dmbcustom1030

and acronym for Nothin' But Ash
when a bowl, bong, bubbler, or other smoking paraphanalia is done being smoked and there is nothing left in the bowl or slide except ash.
Yo bro stop hitting that bowl its NBA.
Go repack that bowl its NBA.
by dmbcustom1030 November 28, 2005