K-rad literally means
1000 times rad
, just as a kbyte
refers to around 1000 bytes.
was made popular
in the 1980s by computer hacker circles. The word
'rad' reffered to a radical act performed by a hacker which deserved congratulations.
The term k-rad
originated around the same time people
in numbers l1k3 th15. This
type of language first started apearing on BBS
es and FTP warez