Akuyar billy akuya ce ta miji, yawanci tana da ƙaƙƙarfan ƙahonsa masu lanƙwasa, gemu, da ƙamshin ƙamshin da ake iya gani musamman ga balagagge. Ana yawan amfani da kalmar “billy” don bambance akuya da mace akuya, wanda ake kira “nanny” ko “doe”.
