Mostiestererest 

To be used to beat your girlfriend is a "I love you most," off in which you get stuck with the I love you mostest side and can't see a way out.

Girlfriend: I love you mostest
Boyfriend: I love you mostiestererest

Mostiestererest by Gatchabitch February 16, 2021

Mostiesterest 

A word that overcomes most, mostest, mostiest and mostiester.

I love you the mostiesterest.

Mostiesterest by WinnerWinner1 March 20, 2025