Puaf 

A word that shows disgust or utter disbelief! Puaf means 'Yuck' in spanish!

Person 1 - "One day i ate a a mashed up banana that found on the floor! :D"
Person 2 - "Puaf!!! Thats disgusting!"

Puaf by Fernski December 7, 2007

puafb 

Short for Pick Up a Fucking Book. A statement signaling someone's ignorance.

Bro, you think the earth is flat. You need to PUAFB.

puafb by ThatBrownGeek July 18, 2022