mugger
1. mug.ger \'m*g-*r\ n [Hindi magar, fr. Skt makara water monster] : a common usu. harmless freshwater crocodile (Crocodylus palustris) of southeastern Asia 2. mugger n [prob. fr. obs. mug (to punch in the face)] : one who attacks usu. from behind with intent to rob 3. mugger n [2mug] : one that grimaces esp. before an audience