smarty

smarty [smar-ti]
adjetivo
1Sabelotodo, listillo.

smarty (informal) [ˈsmɑːtɪ]
noun
(also smarty-pants) sabelotodo; (informal) (m)
Oh, you're such a smartypants, aren't you?

Paid English to Spanish translation

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hearty laughter, raucous laughter, guffaw