by Andrew Giminiani April 30, 2003

One who explores the rectum using various tools including wine corks, Samoan plantains, Red Bull energy drinks, de-clawed chinchillas, and enchiladas. Machimbre can be loaded into the rectal cavity as a safety precaution.
I'd spelunk that rectum in a New York minute.-Colin N. Gibson SS#:537340557
He's a rectum spelunker alright.
He's a rectum spelunker alright.
by dan and matt February 15, 2006

by Joe Gaal November 2, 2003

Robert is very experienced at ass-spelunking
by Bob February 11, 2003

People that search through dark small "caves" known as: ass crack, stank hole, booty hole, butthole, corn hole, or the trench.
by Pat AR January 29, 2004

by Omar Enrique Torres May 28, 2006

v. Exploring the depths of the meaning of a word or phrase in order to tenuously defend a friend or client. A form of legalese.
...............
...............
When the rumours of sexual assault began circulating the press agent put on both his game face and his lighted helmet before engaging in some pretty tricky semantic spelunking.
by gnostic3 November 22, 2019
