1. n. a disgusting and repellent person; a creep. (Rude and derogatory.) The convention was a seething morass of pushy sales geeks and glad-handers.
2. n. an earnest student; a hardworking student. (Usually objectionable.) It looks like the geeks are taking over this campus. How gross!
3. n. a person, soldier, or civilian of an East Asian country, especially in wartime. (Rude and derogatory.) Willy is tired of geeks and the way they talk.