PSI

When you pretend you dont know someone even though you folow them on twitter this is what you call them

Jake Paul: who is PSI CSI KSI ETC.

by pake paul February 25, 2018

PSIS

Police system is shit or the police system is shit

This term was created as a less generalizing term for bad cops in the system.

"PSIS isn't it?"

"Hell yeah it is but atleast we want generalising cops by saying ACAB."

by Weed John May 31, 2020

PSI

PSI stands for Please Send Info (information)
If you want more information on something just text the person you want to find information from, PSI. This word is a polite way to get info.

Can you PSI on that document from work?

by The_Silly-Goose_13 November 24, 2021