A very frequently used adjective to describe men with extremely hard cold-stone nipple. The adjective in countries such as China means “young tits” usually a compliment from father to daughter.
“His chest is so Pietu right now”

Lucy you are very Pietu today”
by Fjshb November 26, 2017
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Unknown alias, when codename of someone is not known it's referred as Alias Pietu
And his codename?
-No info, known as alias Pietu for now.

What alias does she use? Nokk? Thermo? Alpha? Dome?
-We don't know. Will call her Pietu until we know for sure
by DessuHessu November 22, 2021
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