The act of receiving head on a bumpy road while having the sunroof open, as the make ejaculates, pulls her head away and shoots his load out the sunroof while simultaneously hitting the breaks, landing the load on the windshield then using it to clean his windshield
"Man your car looks so clean!" "Yeah that's because Gina just have me Rocky Mountain road head."
by Dirtymikeandtheboys April 1, 2014
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Mountain Head is a severe medical condition caused when excessive semen buildup around the cranial region leads to a severely malformed appearance, often attracting the attention of others. Many cases lead to the victim being described as hella gay.
Guy 1: Look at that guy, he has a severe medical condition caused when excessive semen buildup around the cranial region leads to a severely malformed appearance, often attracting the attention of others.
The Ghost of Hitler: Yeah, he’s a fucking mountain head
by Brick Frick November 30, 2017
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