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The trail of hair leading from your navel to your genitals.
I found a gray hair last night on my Happytrail
by mitosku August 13, 2009
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Feb 27 Word of the Day
From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.
"Ugh, I wish Reddit wasn't full of STEMlords the entire goddamn time."
by nopeidontneedanameok October 15, 2015
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A path of pubic hair that usually starts at the belly button and ends in your pubes, it is really sexy on guys.
Let me run my fingers down your happy trail so i can come to the trasure at the end.
by csraemw August 15, 2004
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1. The line of pubic hair which extends from the belly button to the pubic region.

2. The hair that always gets caught in my belt buckle when I stand up, often causing terrible pain.
Ouch! My happy trail got caught in my belt buckle.
by Nunya Business June 17, 2004
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Path of hair from navel to crotch, sometimes past navel

also known as "stairway to heaven" and "garden path"
his happy trail was hairy
by Ian March 05, 2005
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a path of hair that starts at the belly button and end somewhere in the pubic region. It doesn't look very good on girls.
That girl has a happy trail, they call it a happy trail, but nobody is happy after seeing it. They should call it a sad trail.
by MCSD April 13, 2005
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the line of hair that goes from a mans bellybutton to his pubes VERY SEXY
happy trails are really really hot on guys
by happytrailsareSEXY September 13, 2009
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