Top definition
Someone whose religious beliefs (typically Christian) are so illogical, that the person can easily be mistaken for someone with severe mental impairment.
The fundytard continued to insist that the earth was only 6000 years old, even when presented with evidence that proved otherwise.
by KR3000 May 18, 2008
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