1N-COUNT 笨蛋;蠢货;脓包 If you call someone, usually a man or boy, a geek, you are saying in an unkind way that they are stupid, awkward, or weak. 笨蛋;蠢货;脓包 [informal, disapproval]
2N-COUNT 对电脑痴迷的人 You can refer to someone who is skilled with computers, and who seems more interested in them than in people, as a geek . 对电脑痴迷的人 [informal]