Something that is more than most. More than mostest, too (because apparently that's in some dictionaries).
Maddy: I love you, Hannah.
Hannah: I love you too!
Maddy: I love you more!
Hannah: But, I love you most...
Maddy: I love you mostest, though.
Hannah: I LOVE YOU MOSTESTESTEST.
1. When a determiner that is more intense than ‘mostestestestestest’ is required to reference a noun. It exceeds 4.65 x 10^185 Planck lengths and counting. As well as physics, it is said when one attempts to expresses the mostestestestestest genuine, realest, and deepest affection. It is definately the most anything will ever be and nothing, not even ‘mostestestestestestest’ with another ‘est’ will ever exceed the amount of noun/noun group there is.
2. How much Saffron loves Rudy.
rudy: I love you most
saffron: I love you mostest
rudy: I love you mostestest
saffron: I love you mostestestest
rudy: I love you mostestestestest
saffron: I love you mostestestestestest
rudy: I love you mostestestestestestest
saffron: But I love you mostestestestestestestest
the most you could love someone, this cannot be beaten, because there is no other word describing how much you love someone than this one
Julie: I love you!
Melissa: I love you more!
Julie: I love you the most!
Melissa: I love you the mostestestestestestestestestestestestestestestest
Julie: .......well damn