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.

by iwantpancakes. January 21, 2010

Flag

Get the Gruncle mug.

Gruncle

An uncle with a grudge. usually the surly uncle with a gripe against something or some one.

nephew 1: omg there is uncle vee!

nephew 2: Oh god don't hes got a grudge against the state right now

nephew 2: oh Gruncle vee is back again huh

by UncleAlf December 30, 2019

Flag

Get the Gruncle mug.

Gruncle

A man dating or married to your aunt who is old enoung to be your grandpa. They tend to fall asleep at the dinner table and drone on about old people crap; Generally disliked by anyone under 40 but favoured with the Aunt's parents because of his old, old age. Can be found at local events which are free because they tend to be broke.

Niece : "OMG mom did you see Auntie Georgette's new boyfriend? Look's like we got a new gruncle!"

Mom: "Yes dear I think he is from the ice age and recently thawed out."

Niece: "I concur."

Mom: "and how!"

by omgitzagrunclecheezeburger May 29, 2009

Flag

Get the Gruncle mug.

Gruncle

When you have to take an extremely long and painful dump after eating alot.

Me: After this I'm going to take a nice gruncle.
Friend: So will i.

by The Diego Bleachers August 30, 2016

Flag

Get the Gruncle mug.