A duni is someone stupid or something you would call someone who has done/said something stupid, and is used alot in the area of Cheltenham.
by Charlotte King May 09, 2006
A small creature chronically suffers from schizophrenia since birth. A duni is very small, so is therefore used to describe something abnormally tiny.
by fucknielsbrock January 09, 2024
by Wooey_hooey November 23, 2021