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
Get the mostest mug.
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
Get the Mostest mug.
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
Get the mostest mug.