Do you drink Beer? I'm always the one who ends up buying it. Most of it is brewed with hops.
I do not drink beer but what is hops?
Hops is a grain that is used to make beer. It's one of the most consumed drinks 
So they just call most beer hops? 
No. Hops is part of the brewing process. Fermentation of sugars in the wort produces ethanol and the carbonation in beer.
Do all of the major brands use hops?
Yes they do. If you're interested in learning more, you might want to read Fred Eckhardt's book called The Essentials of Beer Style.