Deformation (many times permanent) of the ear due to
repetitive physical contact. Semi-common in boxers. VERY common in wrestlers/grapplers that have trained for a number of years.
This can be an initial sign of someone that can mess you up pretty bad. Some
famous people include guys like BJ Penn and Randy "The Natural" Couture.
I was at a bar last night and I saw some loud-mouth, idiot
starting shit with this guy who had
cauliflower ears. 10 seconds later, the 'idiot' was choked out unconscience and looked like a slobbering jack-ass. He should have known
better than to mess with that guy.