Trollish Dictionary: A Dictionary of Disagreements

TROLL

A person who is 99% sure they're right, while simultaneously being 99% wrong. Often accompanied by a strong sense of certainty and an even stronger sense of being correct.
Example sentence: "I'm 99% sure that pineapple pizza is a culinary abomination."

MISINFO

A person who spreads false information, often with a smile and a wink.
Example sentence: "I'm not spreading misinformation, I'm just sharing my expertise."