To be on the receiving end of a mistake or error. Said mistakes are usually made by someone named Dennis.
"Susan got Dennised the other day. She ordered a shirt online and spoke to a sales rep named Dennis. The shirt he sent her was five sizes too big!"
The act of overthinking and worrying about something that is completely out of ones control and or not related to their own personal preferences.
My father was dennising over which television was purchased for my living room.
Dennisism is a religion, based on our lord, Dennis. He is our lord and savier. This religion needs, you to go to spar every day, for the rest of your life. Dennisism has 3 followers globally. Dennis was a wise man, who brought wisdom and pizzas to the school.
Bro, Dennisism is our religion. We need to go to spar.