Verb: The act of spreading the butt cheeks, and diving into the butt hole tongue first.
Hooked up with a chick last night, and she loved it when I went butt spelunking.

Dude, I went butt spelunking for the first time...bitch needed to clean out dat canyon.
by Stoop Fontain March 14, 2014
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Verb: The act of spreading the butt cheeks, and diving into the butt hole tongue first.
Hooked up with a chick last night, and she loved it when I went butt spelunking.

Dude, I went butt spelunking for the first time...bitch needed to clean out dat canyon.
by Stoop Fontain March 14, 2014
Get the butt spelunking mug.
One who explores the deepest,darkest recesses of someone's crap cave.
As I went butt spelunking in Suzy, I think I shot a wad into her upper intestinal tract.
by rev. ray April 8, 2004
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A person or persons who enjoy exploring another persons anal cavity
Thomas and robert are experienced butt-spelunkers, every day they enthusiastically explore eachothers anal cavities with many tricks and techniques!
by RandomPlatypus June 12, 2018
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