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gucky

Informal adjective describing something unpleasantly messy, slimy, or coated in a sticky, gross substance.

ˈɡʌki143 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

Informal adjective describing something unpleasantly messy, slimy, or coated in a sticky, gross substance. If something is gucky, it has that icky, hard-to-clean quality — think muddy boots, spilled sauce, or mystery residue in the fridge. The word sits somewhere between 'gooey' and 'mucky' and is often used in a mildly disgusted but light-hearted way, especially when talking to or about kids.

The bottom of the bag was completely gucky from a leaking juice box she'd forgotten about.
Origin: Likely a blend of 'gooey' and 'mucky', with possible influence from 'guck' (a sticky or messy substance); common in informal North American and British English. Editorial expansion authored on Slangora.
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#2·Apr 27, 2026

(slang) Resembling or covered in muck or goo.

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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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