Top definition
A know it all kind of person. They will support their argument no matter what evidence is brought up. A total asshole at times but can be the funniest or the most lame.
There is someone you know who always has to be right.
"They're such a dizzywizzy."

One of your friends is being stupid or lame.
"You're such a dizzywizzy."
by LittleLaurenHere July 20, 2014
Get the mug
Get a dizzywizzy mug for your Facebook friend Günter.