Top definition
A sexual posistion in which the male holds his boner to his chest, and releases it to smack the female in the face. Similar to a thunder fuck.
If a Dirty Sanchez is not your forte, then give her a thunder hammer to make your day.
by Philly K. September 30, 2006
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