guck

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

Meaning · English

An unpleasant sticky substance; goo, gunk.

Register: slang

Where it’s used: Used American English

Examples

As everyone familiar with these things knows, they're sticky on the outside -- and that sticky guck gets on your hands, making everything stick to them!

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

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

Common questions

What does “guck” mean?

An unpleasant sticky substance; goo, gunk.

Is “guck” formal or informal?

guck is generally slang.