pinhead

[ pin-hed ]

noun

1. the head heads of a pin.
2. something very small or insignificant.
3. Slang. a stupid person; nitwit.

pinhead

/ ˈpɪnˌhɛd /

noun

1. the head of a pin
2. something very small
3. informal.
   a stupid or contemptible person

Word History and Origins

Origin of pinhead¹

First recorded in 1655–65; pin + head

Example Sentences

They can walk, hover and the males can even sing love songs to woo mates - all this with a brain that’s tinier than a pinhead.

From BBC

With a brain the size of a pinhead, insects perform fantastic navigational feats.

From Science Daily

“We have freedom, but it’s on a pinhead,” said Kent Lyons, who has lived on the territory since 1970.

From Washington Times

Every single day he looked like he had just walked out of Sunday school: Every thin yellow hair on his pinhead was perfectly cut and licked to a gloss.

From Literature

I’m a mere critic, not a network pinhead, as David Letterman referred to executives who made these kinds of decisions, but that doesn’t mean I can’t dream up cockamamie ideas.

From New York Times