It means that your getting fucked by a bbc and it cums
Jon : Oh my god I just went rocky moutain explored up Jenny ass and I loved it!!

Mark : Damn you're a lucky dude.

Rocky mountain exploring up my ass
by Saw-illydfss September 28, 2018
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When a woman orgasms/squirts while vaginally penetrated by a penis
Man 1: You know Becky?
Man 2: Yeah, the slut?
Man 1: Yeah, I'm heading to her place and she'll be coming down the mountain tonight!
Man 2: Dudeeee, make sure you wrap it up
by Wokkels November 21, 2018
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Mountain German

A German-speaker who lives in the alpine region, most notably in Switzerland, Austria, Liechtenstein, and the Italian province of South-Tyrol.
Mountain German: "I'm Austrian, not German!"
American: "Yeah OK, mountain German"
by GameCreepr April 08, 2022
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hershey mountain

Its similar to the Cleveland steamer but when you have the Hershey squirts you leave a little mountain on his/hers chest
by Geneva521 August 19, 2021
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rocky mountain trucker

When you shit in a condom, then put it in the freezer until frozen, then use it as a dildo.
Hey, last night was crazy. You remember Sharon? She totally did the Rocky Mountain trucker when we went back to her place
by Rmt223 July 11, 2017
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Gay Mountain Moment

Having a meltdown as a direct result of hiking or cycling up a steep hill.
‘I think I’ll buy some jelly babies just in case Emma has a Gay Mountain Moment’
by ggowgal February 20, 2021
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Balls Mountain

The most famous level made by a daily chatter in Geometry Dash
1: Hey wanna play geometry dash
2: Yea Wanna play balls mountain
1: Wth is that
2: A level by pinecones
1: oh let's play
by Plum-Burger April 08, 2021
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