A teenage or adult fan of Phineas and Ferb. From Perry the platypus’ name combined with ‘geriatric’, a word for an old person.
by PonyTrainBoi August 02, 2020

I'm en mah twannayz.
by PonyTrainBoi March 29, 2019

by PonyTrainBoi May 05, 2018

by PonyTrainBoi December 10, 2022

by PonyTrainBoi March 27, 2019

by PonyTrainBoi August 06, 2020

Calm, pleasant, peaceful, but at the same time colourful and happy, often used to describe toddlers' TV.
by PonyTrainBoi February 20, 2018
