Definitions by iammedan

NBD 

Never
Back
Down

Often used in the act of peer pressure. While it is a simple acronym, NBD is essential to the comradery of a community of friends, bros, hos, sisters, and so forth.

Person A: "Time to drink"
Person B: "i dont feel like it"
Person A: NBD Son...or forfeit your mancard
Person B: *sigh* okay

NBD by iammedan February 3, 2009