What Does “Guay” Mean?
Confusing slang in
Guay
adjective · Spanish slang
translates to
Plain English out
Cool — Spain's homegrown word for anything great.
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The full meaning
Guay means cool or great in Spain: a plan can be guay, a person can be guay, and "¡Qué guay!" is the standard enthusiastic reaction. "Guay del Paraguay" is a playful rhyming upgrade meaning extra cool.
Where “guay” comes from
Peninsular Spanish slang that solidified in Spain's youth culture in the late twentieth century and never left. Like vale, it immediately identifies a speaker as Spanish rather than Latin American.
How it’s actually used
Wherever "cool" fits in casual talk: "tus amigos son muy guays." Fully family-friendly and used across ages, though it stays informal.
¡Qué guay tu chaqueta! (Cool jacket!)
The concert was really guay, you should have come.
A rooftop pool? Guay del Paraguay.
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✔ For parents & teachers
Entirely harmless. Spain's everyday word for cool.
Related slang
Last updated: 2026-07-06. Slang evolves fast — we review definitions regularly.