Mostest, when someone calls mostest there is nothing that can beat Mostest so if they say tie they can not tie the person who called it wins. Only one person can call it the first to call it wins NO MATTER what.
Boy: love you
Girl: i love you mostest
Boy: no i do

After sometime....
Boy: lets call it a tie
Girl: there are no ties
Boy: dang it!
by RightOn1234 August 14, 2019
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A word used by illiterate young persons expressing an over exaggeration of an opinion or fact; to the greatest power of most
I love you the mostest!
I have the mostest jelly beans!
Jeremy gets the mostest action!
by RandomWordMaker December 29, 2011
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Mostest is a childish way to win an argument. More than most.
Malik- I love you!
Jessica- I love you more!

Malik- I love you most!
Jessica- I love you mostest!

Malik- Damn...she got me.
by ThatBlondeChick9999 August 12, 2013
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The love that Ben has for Becky; which is greater than the love that Becky has for Ben
Ben loves Becky mostest.
by Ben Howard December 14, 2005
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