A billy goat.
A good friend.
A billy club.
A male goat; a ram.
A slubbing or roving machine.
A bong for smoking marijuana.
A tin with a swing handle used to boil tea over an open fire; a billycan; a billypot.
A condom.
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 outwit, confuse, deceive, or intimidate.
To hunt buffalo.