1. An expression of forgiveness, "no big deal", found sometimes in video games where someone has done damage.
2. Trying to tell a raging person to be quiet, to settle down.
<player 1> Sorry i shot you.
<player 2> NBD. I was in your way, anyways.
LOLFISH is a term representing disgust in a joke. For instance, the fish, is the unsightly, or unfunny person and when the "fish" says something about the "victim", the victim can say "LOLFISH". LOLFISH is also a sarcastic remark about a joke.
Gamer 1: Yo momma gained a few pounds. Just, like, nbd
, about a million! Woo! I just Bomb Turkey
'd on you
Gamer 2: LOLfish.