Acronym for the phrase "No big deal". Typically used sarcastically at the end of a statement of importance as to say it was in fact a big deal. For example: I got an 89 on my econ final. That's 10 points above average! NBD.
From Urban Dictionary.
I have unfortunately used up all of my internet juice until the 27th and could not load RS last night or this morning. I will request a refill from my ISP or just bring my portable modem home from work every day.
It's from too much Netflix plus have no normal free-to-air TV in the house either right now.