butt spelunking 

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.

butt spelunking by Stoop Fontain April 21, 2014

butt spelunking 

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.

butt spelunking by Stoop Fontain April 21, 2014