Top definition
Pronounced: Ethel Methyl Die For Sure 'n All

A chemical or gas that the effect or name of it is unsure but you know that it is bad.
Bob: Hey Steve, what is it in that bottle? It sure looks dangerous.

Steve: I don't know, probably ethelmethyldieforsurenall.
by Alistair MacIlherron September 28, 2009
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