Definitions by Kalyan

Kagedere 

Noun; a Japanese term indicating a person who shifts to different personalities or renders to another persona. It may be due to the fact that the person trying to fill in the gaps of their blank out personality that they try to be someone else.

Kage meaning shadow, points to the fact that shadows always follow it's owner.

or;

A fanatic of Tobio Kageyama or the Kageyama siblings.

1: You don't look like a Kuudere to me, you're more of a Kagedere to me.
2: You're a Kagedere too?! Can we be friends?

Kagedere by 𝓚𝓪𝓵𝔂𝓪𝓷 July 20, 2019

Guru Charan

Intellectual of Telugu Twitter , famous for E= mc^2 definition.
Well known as Gurupedia

Hey you have great memory , are you Guru Charan ?

Guru Charan by Kalyan June 15, 2018

PFA 

Please Find Attached, generally to refer an attacment included in the mail.

PFA the annual report

PFA by Kalyan November 29, 2004