(Noun) To anally fist a woman with one's thumb extended fully up, as if hitchhiking.*

*(The main difference between this and other 'definitions' of this term is that with a true 'Hitchhiker' the fist and upright thumb must be fully inserted. This is not a 'Shocker'.)
'Goddamn, dude, are you going to give me a hitchhiker or what? I can't get off on your weak-ass shockers.'
by Dr Bishop August 10, 2021
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Immediately following the act of anal sex. One discovers fecal matter on the tip of one's penis.
Dude!! While fucking Stacy in her poop shoot I picked up a hitchhiker!!
by Skippyandpete November 5, 2020
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Hitchhiker:

To masturbate while your hand is numb, to give the sensation that someone else is pleasuring you, while driving a vehicle.
On the way home from work last night I grabbed myself a quick hitchhiker
by Ryedawg II September 21, 2009
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when doing a girl doggstyle, the gentleman inserts his thumb in said girl's butthole
She loves hitchhiking, though I always need to wash my hands afterwards.
by BaroqueBill March 22, 2010
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A thumb in either the anal or vaginal orifice while in the doggiestyle position.
I might have married the bitch if she had been down with the hitchhiker.
by John Clever March 20, 2003
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n.: (slang) a small nugget of fecal matter attached to the hindquarters of an animal such as a cat or dog; especially common among long-haired species.

syn: dingleberry
"Quick, get Muffins off of the new duvet! He has a hitchhiker on his butt!"
by EmmyFoofoo May 6, 2008
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A hitchhiker is an item that is placed in a geocache, and has instructions to travel to other caches.
Sometimes they have logbooks attached so you can log their travels.
A Travel Bug is an example of a hitchhiker
Placed a hitchhiker in the last cache i found, i sure hope it travels the world!
by outlive December 17, 2006
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