Lidarse 

Lidarse
noun
INFORMAL
a stupid person dwelling in the Welshpool area.

He’s one hell of a Lidarse, no mistakes.

Lidarse by RaveBandit December 19, 2021

Liarsenic 

Liar,
not true to anyone.
Senial and a liar. You can't tell anything but lies.

Best known as a song title for the rock/metal band called NORMA JEAN

Nick seems so liarsenic, yet faithful in Alexa's eyes.

Liarsenic by alexaatmPR December 14, 2008