Is a term used to describe a teen that didn't just hit puberty, he beat the shit out of it. When a person is called man beast, it is usually because he hit puberty before a lot of other teens.
Person : "Dang dude. You used to be all fat, but now your freakin ripped. Your going man beast! "
بواسطة Lalalalala69 فبراير 20, 2014