IMSUSTER 

Imsuster is a combination of the words Impostor and Sus which when put together makes Imsuster so when saying "when the impostor is sus" you could instead say "When the imsuster".

"When the imsuster"

IMSUSTER by BurntCookie833 April 20, 2021

impuster 

A loser who tried to spell impostor.

"Blue is the impuster," said Red

impuster by Aura Classify October 4, 2020

Insuster 

Tom Kenny's mix of the word Imposter, and sus!

Yooo hes acting a little like an insuster!

Insuster by Jaden Harrison Taylor July 4, 2021

Insuster 

insuster (IN-SUS-TER) ; An adjective implying that an individual is (sus) or is suspected of being the imposter.

JAMES YOUR BEING A BIG INSUSTER TODAY

Insuster by Amongustermz October 1, 2021