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The act of performing anal sex with a girl then titty fucking her leaving a streak between her breasts thus resembling a highway between the mountains.
I was so horny I gave my girlfriend a rocky mountain highway. She was washing shit off her chest for days.
by Brian Euvino May 19, 2008
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2
The act of performing anal sex with a girl then titty fucking her leaving a streak between her breasts thus resembling a highway between the mountains.
I was so horny I gave my girlfriend a rocky mountain highway. She was washing shit off her chest for days.
by Brian Euvino May 16, 2008
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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