slang One who is very uncool, especially by being overly studious or socially awkward. Modeled on "dweeb," which has the same meaning. Come on, don't be such a gweeb. It's Friday night—we should be partying, not doing homework! I can't go to the prom with that gweeb! It would be way too embarrassing!
n. a studious student. (Collegiate. A variant of dweeb.) I’m in a physics class full of gweebs.