1 definition by RuffleshaveRidges

The act of opening and expanding the anal cavity of ones partner and then proceeding, with cave diving gear (ie: Carabiner, ropes, headlamps, etc), and entering the damp ridged caves of your consenting adult. Occasionally returning to the surface for air.
"Bro, I spent 3 hours ass spelunking last night."

"Oh yeah?, where at"

"Devons"
by RuffleshaveRidges November 22, 2015
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