rat stache

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

Meaning · English

A thin, sparse, or patchy mustache; the wispy facial hair common among younger men, during the early stages of facial hair growth, or in transmasculine individuals undergoing hormone therapy.

Register: colloquial, 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).

Common questions

What does “rat stache” mean?

A thin, sparse, or patchy mustache; the wispy facial hair common among younger men, during the early stages of facial hair growth, or in transmasculine individuals undergoing hormone therapy.

Is “rat stache” formal or informal?

rat stache is generally colloquial, slang.