noun
- a person who is silly, scatterbrained, or not very intelligent
- a submarine crew member
Usage: informal
Usage: naval slang
Examples
- Don’t be such a bubblehead—pay attention to what I’m saying.
- She acts like a bubblehead, but she’s actually quite smart.
- The teacher called him a bubblehead after he forgot his homework again.
- My brother is a bubblehead in the Navy, stationed on a nuclear sub.
- The bubbleheads were excited to return to port after months underwater.
- He joined the submarine service and became a proud bubblehead.