Tiggy
Tiggy is a common nickname that can refer to a variety of things. Most frequently, it is a diminutive for the name Bridget, a feminine given name of Irish origin. This nickname is often used affectionately by friends and family.
In some contexts, "Tiggy" might also be the name of a pet, particularly a cat or dog.
It is also possible that "Tiggy" refers to a specific object, place, or event, though these instances