English · Slang Attested

propeller head

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

A person deeply absorbed in an academic field or technical interest, especially to the exclusion of social activities.

⚠ Register: derogatory, slang

Where it’s used: Used American English

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Topics: Head

Common questions

What does “propeller head” mean?

A person deeply absorbed in an academic field or technical interest, especially to the exclusion of social activities.

Is “propeller head” formal or informal?

propeller head is generally derogatory, slang.

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