1)The act of fucking one in one of many positions 2)Hitting someone 3)Word to replaced many words.
"Dude, last night I spelunked Mac in the butt."
by A.R. McCumindabutt September 10, 2003
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To take a dump - the sound of your poo splashing into the toilet water.
Ohh I ate too many tacos. I have to go spelunk.
by Joe Shmoe Dudeton July 25, 2008
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the act of getting farted on while giving someone anal...doesnt apply to homos
by Jesus12 March 28, 2008
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A male slut (or lesbian slut). One who overindulges in sexual intercourse.

They are often womanizers whose sole goal is to find the next vagina. Women only consist of a vaginal opening to them.
"I am going cave exploring this weekend," Wilbur said.
Edward replied with a grin, "funny, me too!"
Wilbur answered, "You're a fucking vulva spelunker!"
Edward retorted, "That isn't nice. Just because I like the puss and you can't get any doesn't give you the right to call me names."
by Nutzen YerMouf February 8, 2018
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Anal spelunking the act of cavelike exploration in the anus of a loved one
honey i really enjoyed our adventure in Anal spelunking last night, i was enthralled by your wonderful lady caverns
by Mind Machine February 24, 2009
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That lucky guy who has a wife or girlfriend that lets him get her up on all fours and proceed to play. He spreads her ass cheeks wide and applys his nose close to her balloon knot and slowly inhales the aroma of her stink star. Gentle licking and sucking causes her tastey gumhole to soften up as he prepares for penetration. Lubing up real well he inserts his rock hard cok in her anus and gradually pumps away building up too an awesome orgasm, dumping a massive load of man-goo deep in her rectum.
Dave: Steve, you ever had anal with Doris?

Steve: Man, I am her Rectal Spelunker and she loves it!
by The King Cornholer April 6, 2008
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an individual who explores the anal passageways of another, through use of a tool such as a dildo or a penis. derived from ass, the anal region of the human body, while spelunking is cave exploring, thus the act of exploring the cavities of ones asshole. also used to describe a homosexual.
"boys i dont think mr garrison would say eat penguin shit you ass spelunker, m'kay?"
by Anonymous August 2, 2003
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