Top definition
The act of masturbating while lying flat on your back, and being too lazy to get up to jizz or even use a sock to sop it up. You knowingly jizz all over yourself and go back to sleep.
"I was so hungover from operation blackout last night I just lazy volcanoed and passed right back out."
by RapeFactory420 July 10, 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