Top Definition
Walking, hiking, crawling, or climbing through an ancient lava tube which is now free of lava flow, such as Ape Cave at Mount St. Helens. Probably involves the use of headlamps or flashlights.
Guy 1: "Hey man, what did you do this weekend?"
Guy 2: "Went lavatubing. It was awesome, I got cave bacteria all over my hands."
by anthroubc2010 October 01, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×