The core of an Operating System

When someone goes to the gym and spends 90% of the time on their phones scrolling through social media

A variation of the military title "colonel", basically meaning an individual, ex-military or civilian with too much ego with little or no experience to match, elevated to a position that screws everything (and everybody) up. Notoriously bad for business and customers. The term is especially used in the aviation industry.

Something that in Windows XP takes up 33% of your RAM, however much you have.

the proper way to spell colonel

slang for Marijuana and used at work to cover up the real meaning

Kernel is a little bitch boy who puts his girlfriend before his best friends. He will leave them high and dry.