To outwit, confuse, deceive, or intimidate.
To hunt buffalo.
A related North American animal, the American bison, Bison bison.
The buffalo fish (Ictiobus spp.).
Any of the Old World mammals of the family Bovidae, such as the Cape buffalo, Syncerus caffer, or the water buffalo Bubalus bubalis.
A nickel.
To make profound; to make a concept unnecessarily complicated.