1 definition by -Impious-

Top Definition
Codename for a series of two mid-altitude nuclear tests conducted by the US military outside of Las Vegas in the 60's.
The Upshot Nuthole explosions could be heard in Las Vegas.
by -Impious- September 01, 2010

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