An older male who rejects the work of his female peers on the basis of sex, despite their experience and recent training or study. Claims superiority in his field of study but proves incompetent even in the basics. Likes to mansplain
Student 1: After I fixed that guy's web page, he told me my code was a girly joke. And his code was making the browser crash in the first place!
Student 2: Don't worry about him. He's just a dooling.