- This term is used as an acronym because it implies annoyance as a response to someone who didn’t pull through on something. The person who coined this term doesn’t show respect by giving a full response to the person who let them down, because they didn’t respect them in the first place (so a simple three letters are used).
NBD (215)
slang; acronym
calm and short response to someone who let you down; simpler way of saying ‘no big deal’
Etymology : from the phrase ‘no big deal’
Source : Nathan (friend): “Sorry I forgot to get you one.” Me: “N-B-D.”
Last modified: 5 December 2011