upsetted 

The incorrect past tense of upset. People still use it thinking it is correct (for some reason).

Fact: It's not. Just use upset instead.

Wrong Way:
Random Person: I'm sorry I upsetted you.
Other Person: What the hell is 'upsetted'? That's not an actual word.

Right Way:
Random Person: I'm sorry that I upset you.
Other Person: Stop being a pussy, it's fine.

upsetted by IAmAPotatoGod December 6, 2015

Upsetter 

an unexpected winner; someone who defeats the favorite competitor.

I'm the upsetter !

Upsetter by yamalee May 14, 2011

upsetteling

A blend, or portmanteau, of upsetting and unsetteling. It's used to describe the feeling that you can have when you get the creeps but also feel shocked.

The upsetteling old photo of the disformed baby in the jar made me feel very upsetteled.

upsetteling by bill car February 23, 2008

Upsetedness 

A hesitance or reluctance toward a marriage or union.

He had an upsetedness toward the marriage of his daughter and the farmer's son.

Upsetedness by Mark Pain August 16, 2016