Person or group who neurotically harrasses you to wear a helmet on your bike, even though riding in a car, carrying laundry down stairs, or just walking across a street statistically causes more serious or fatal head injuries every year.
God, that Helmet Nazi Kathy was practically foaming at the mouth when I told her I didn't need headgear!
by salu1999 September 21, 2011
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