Top definition
A person whose ass emissions are so toxic as to be deemed radioactive.
Man, that stinks, you've got a really bad case of chernobyl butt.
by Kasei February 07, 2004
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

Alphabetical list