It means he eats humans, he eats men. Person or animal that eats human flesh. Cannibal. By bloodthirsty extension, fierce, wild, butcher, relentless.
1o_ Who eats human flesh . From Greek 945; 957; 952; 961; 969; 960; 959; 962; ( anthropos "man, in the sense of species") 966; 945; 947; 949; 953; 957; ( fagein , "eat" ) . See cannibal . 2nd_ In lunfardo is "active homosexual", by a very free association of "eating a man". See eating (euphemism for cojering ).