A fork of Rural Dictionary
Another way of saying "Great Uncle" (your grandparent's sibling)
Gruncle is coming over for dinner tomorrow, I hear he knows how to steal noses.
gruncle....a combing of two words great uncle
Gruncle Gord got to hold his neice for the first time tonight.
When your niece or nephew becomes a parent, you become a great uncle, a gruncle.
My niece had a baby girl and now I am Gruncle Bob.
A gruncle occurs in the very freaky situation when your uncle, the brother of your father or mother, marries your grandmother, the mother of the opposite parent.
Roger's uncle, his father's brother, married his grandmother, his mother's mother. Roger's uncle is now his gruncle.