1 definition by Fire cool man

Top Definition
One who does not partake in the discussion of innocent childish topics. Aka a fuddy-duddy
Bill- I just took the biggest poop! I'm sending the picture!

Nicole- that's so gross! grow up!

Bill- you are such a dunderwagon!
by Fire cool man April 28, 2012

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