casual📍 Peru — general

Estar mosca

Literal meaning: "To be a fly"

To be alert / On guard (Peru)

ehs-TAHR MOHS-kah

What does it mean?

"Estar mosca" means to be alert, watchful, or on guard — like keeping your eyes open for trouble. Parents tell kids "anda mosca" (stay sharp) when heading somewhere unfamiliar.

How to use it

Casual, practical advice register. Common between friends and family as a caution.

Example sentences

Stay alert downtown at night.

Anda mosca por el centro de noche.

I'm keeping an eye out.

Estoy mosca.

Related phrases

De firme / La firme

For real / Seriously (Peru)

Ya pe

Come on / Alright then (Peru)

More peru-everyday phrases

Al toque

Right away / Immediately (Peru)

Chévere

Great / Nice (Peru)

Yapear

To pay via mobile app (Peru)

De repente

Maybe / Perhaps (Peru usage)

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