It's when you shave your head and it's rotund.
man 1: did you see, Jace's new hair-do? He's straight Egg-maxing.
man 2: yeah, that shit is rotund.
Someone who judges extraterrestrials on the color of their skin, hide, exoskeleton, etc.
person 1: god all aliens are just green xeno-tards.
person 2: that is really xeno-racist of you, I cannot believe that I am friends with a xeno-racist.