Sex act involving a person wanking two men simultaneously.
She gave Steve and Alec a downhill racer in the bathroom last week
by Jodiju March 21, 2011
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The phenomenon that outdoor runners may experience wherein one runner, while tackling a particularly daunting incline, crosses paths with a runner enjoying the downhill while traveling in the opposite direction. The uphill runner might inwardly direct strong feelings of jealousy toward the downhill runner's good fortune that can only come during the exhaustion and red-faced all-out effort of a literal uphill battle. This is downhill envy. In special circumstances, such as those in which the downhill runner offers audible or visual expressions of encouragement or solidarity, downhill envy may even manifest in the uphill runner's outward utterance of disdain at the downhill runner's perceived condescension.

See also: Uphill Empathy, the sister term of Downhill Envy
Friend: Hey, how was your run?
Runner: I've had better. I was trying to haul ass up this one particularly vicious incline, but it was a serious struggle. What made it worse was this guy happily bounding down the hill in the opposite direction.
Friend: Damn. Downhill envy.

Runner: Mmm hmm.
by oversmashed July 23, 2014
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an state of gradual decay as for a person, thing, company or other entity.
When an organization cuts maintenance, it is on a downhill slide.
by ardijoon December 8, 2013
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some one over 40 how still rides a race bike
yep im a downhill racer
by speedy sie June 11, 2012
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Sex position most used by the Half Mile High club. The girl rides down the mountain on her skis while the guy stands on the backs boning her. When climax is reached, participants fall into the snow to cool off after the steamy encounter.
My winkie got cold when I gave Ronda the old Chinese downhill at the mountain this weekend but it was so worth it.
by 1/2mi. Hye April 3, 2011
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these are generally awesome people who ride down a rooty, rocky and usually steep hill with a bike and armour. they are known to outsiders as 'fearless bastards' and usually get 'loose as a goose'

girls who participate in this sport are rare to find, but on the chance that you do find one you will soon learn that they are fucking fantastic and much more of a 'fearless bastard' compared to your everyday girl and guy. girls who ride bikes are amazing ;)
Downhiller 1: "shit dude, we ride downhill mountain biking, we're fucking awesome"
Downhiller 2: "fuck yeah, lets shred up some dirt!"
Downhiller Girl: "YEAH!"
by dhmtbsoph May 20, 2011
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When you "go down" on a male's asshole and cover it in tarter sauce to mask the shitty smell or ass juices. You can use either mayonaise or jelly.

When "going downhill", you must cover it with one of the topping to mask the scent down there, and you must bury your face down in between the male's asscheeks and eat out his asshole like you would a female's vagina. Do lots of sucking and lots of tongue power.
You: Hey bro, I went downhill on Tom yesterday.

Bro 1: Awh, what the fuck bruh! That's disgusting!

You: Don't worry, I used Grape Jelly

Bro2: You can go downhill on me any night.

*everyone dead silence*
by Marksman1010 February 12, 2014
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