You mean bagels or those dogs with floppy ears?
I'd fight him too, but only because I know he'd just counter my move so fast he'd knock me the fuck out without messing up my pretty face.
It depends. If it's just the two of you he probably goes in for the quick knockout but if there is a group of people around that MASSIVE ego would kick in and at that point you should expect every Aikido move ever created to be put on your ass for the next half hour or so.