hundy per 

Short for 100%

Are you sure about that?
Hundy per.

hundy per by Maglok December 7, 2019

One hundo percento 

A saying to depict enthusiastic agreement, but without looking excessive. The academic equivalent of "mood"

"Brain couldn't work out how to open phone"
"Brain needs phone-unable-to-open moments to balance out assessment moments"
"One hundo percento"

One hundo percento by Nikaf! May 2, 2021