Top definition
1. adj. stupid, idiotic
2. n. someone who is stupid or idiotic; a moron
My sister is so dupera; she thinks one plus one is three.
by Svensk tjej December 06, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug