1 definition by jondoe198276349162491204817024
1.a douchebag who doesn't care about anything and thinks that other people getting hurt is funny.
2. a word of insult, the worst thing you could call someone
"Dude, he's a total cavalier."
"Stop being such a cavalier!"
"Can you please stop cavaliering?"
by jondoe198276349162491204817024 May 19, 2010 add a video