chrome dome

noun4

1. •
   (slang, offensive) a bald head, thought of as smooth and shining like metal

   • Linebacker Carlton Bailey shaved his head last year. . . . Soon, the bald head became the rage among the linebackers. Now, just about every Giants linebacker has a chrome dome. — 1994
2. •
   (slang, offensive) A person who is bald.

   • Few Presidents have been bald. The last was Dwight D. Eisenhower. Luckily, he ran both times against another chrome dome, Adlai Stevenson. — 2004
3. •
   (US) A haircut in which the hair is clipped extremely close to the scalp.
4. •
   (Internet, disapproving) A robot or artificial intelligence.