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1.
One who knows where his or her towel is.
Ford Prefect is one hell of a hitchhiker; he knows where his towel is. What a cool frood.
by cyenu February 03, 2005
 
2.
A hitchhiker is an individual who travels the universe without the use of a ship of their own. Popular hitchhikers are Arthur Dent and Ford Prefect. Contrary to popular belief, Zaphod Beeblebrox is not technically a hitchhiker because he owns a ship which he has stolen (see: heart of gold)

Also, it is a common misconception that a hitchhiker is someone who knows where his towel is. This fact is only true to froody (cool and together) hitchhikers, giving rise to the popular expression "that frood really knows where his towel is". Arthur Dent and Tricia McMillan are two examples of "froody" hitchhikers
The best hitchhikers have all seen the restaraunt at the end of the universe.
by Jonathan May 31, 2005
 
3.
one whose primary mode of travel is hitchhiking, or (usually free) rides from motorists on the highway
A hitchhiker may follow a semi-nomadic lifestyle
by Letter X-the-Bloke July 24, 2008
 
4.
A being, human or otherwise, that randomly asks strangers for rides in transportation devices when in need of such a service. Their destination can vary, parts of the galaxy, parts of America, the important places mostly. Most are fearless, yet stupid and reckless.
Fuck no, your a Hitchhiker! I know your kind!
by D4A3F2M1H9 June 13, 2010
 
5.
Someone who knows where their towel is.
That Ford Prefect is one hell of a hitchhiker; he knows where his towel is.
by cyenu January 28, 2005
 
6.
A combination of The Lonely Trucker and The Stranger, a hitchhiker is when a man sits on his arm until it becomes numb, then slaps his ham while driving.
If you want to take the Lonely Trucker to the next level, try the Hitchhiker, it's like there's a whole nother person in the car.
by CT and Justin November 25, 2006
 
7.
Hitch Hiker - The act of defecating in an individuals traveling instruments. Examples: (These range from least hitch-hikerish to the original hitch hiker.)

- Female's Purse
- Friends Backpack

- The trunk of a car
- The back seat of a car

History:
The origin of the Hitch Hiker developed out of an "Upper Decker" gone wrong. One word. Revenge.

That revenge came in the soft brown form of fecal matter residing in the back seat of a beat up four door sedan. It expanded into other various forms of the hitch hiker, some still being discovered across the glob.

However, the soul intent to place the poo in another persons traveling instruments remains.
"He upper decked me, so I gave him a hitch hiker"

"I woke up in the back seat to his girlfriend giving him road head... I didn't like the fact that was going on while I was sleeping in the back seat.. but I didn't want to be a cock blocker, so I quietly left a hitch hiker in his back seat as a friendly thank you."

"She told my friend that she wanted to have my babies, so I left a hitch hiker in her purse to make sure she wouldn't call me again."
by CaptainCheckAHoe June 20, 2010