Top Definition
Terabad is a derivative of three different words:
Firstly, it is a combination of terrible and bad.
Secondly, it is a combination of terabyte and bad.
A terabyte is 1000 gigabytes of data which by today’s standards is a lot of data. So by putting tera in front of bad (terabad) you are saying something or someone is ridiculously terrible and has no potential to get better. It is without question the ultimate insult!
Player 1: Nubula just ran up behind Negs and knifed him in the back
Player 2: OMG, Negs is Terabad!
Player 3: For sure! Why doesn’t he just uninstall?

by jochs May 16, 2007

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