RhymeZone: dnb definitions

Definitions of DNB:

verb: (cricket) Initialism of did not bat.
verb: (sports betting) Initialism of draw, no bet, which means that if there’s a tie you get your money back [To sketch; depict with lines; to produce a picture with pencil, crayon, chalk, etc. on paper, cardboard, etc.]

(Definitions from Wiktionary)