1. Using your penis to explore a woman's vagina, or "cave."
2. To ejaculate.
1. "Did you spelunk Callie's cave last night?"
2. "Yessir. Spelunked on her chest, on her face, a little on me...I showed her my dripping stalactite alright."
by tripleovertime99 December 01, 2009
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To engadge in anal sex with another person.
Nick went spelunking with Jen before he nailed her.
by Da Beave September 03, 2005
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Derogatory term for a diminutive sexual parter (male or female) who performs oral sex on a much larger, usually exceedingly overweight, female partner.
Man, did you hear about Katie's spelunking trip last night?
by Wick Felterman June 15, 2009
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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 09, 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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