A fictional numerical term used to describe an unusually large number or amount.

Smaller than a 'Ka-Jillion'

Got the covid-19 vaccine

Not a real unit of measure. Often used to exaggerate.

a term used by cool people who don't care that it is not a real term. Used to refer to an exaggerated amount of something when "a million" and "a billion" does not seem to do the vast amount justice. Also see a zillion and a kajillion.