A way to get the final and last word when your girlfriend tells you she loves you most. I.E. replacing " I love you times Infinity" Mostestest the end all be all to say I LOVE YOU the most!
by K Mac December 1, 2006
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To love someone more than most, to win the argument of who loves who most, it is more than most.
by Sheviee January 8, 2022
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when you’re in an “i love you more battle” you say “i love you mostestest
“I love you”

i love you more
no I love you mostestest
by oreosaresuperior September 12, 2019
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its an amount greater than anything. It is an amount that could not ever be measured. Not even infinity can beat the mostestest.
I love Michelle the Mostestest. Meaning My love for you is an unmeasurable amount of love and cannot be higher than anything in the world. "I love you the MOSTESTEST."
by Rene Ramirez November 22, 2007
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