Definitions by ThatBlondeChick9999

Mostest 

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.

Mostest by ThatBlondeChick9999 September 7, 2013