shim. 

a guy/girl that looks like the oppisite sex.

guy 1. "dude last night I went to a club & saw a shim."
guy 2. "ew dude that's nasty!"
guy 3. " yeah, it looked like a girl but she had something coming out of it's pocket..."

shim. by annieo. September 21, 2007

Shim 

An individual whose gender is unclear to everyone else.

I'm not sure if that person is a she or a him, therefore they must be a shim.

Shim by Coli Oli March 22, 2010

shim 

1. a thin slip or wedge of metal, wood, etc., for driving into crevices, as between machine parts to compensate for wear, or beneath bedplates, large stones, etc., to level them.

2. A not-nice word for an androgynous looking person. See also: shemale.

3. A seattle based rock band.

1. You just loosen the mounting bolts and slip the shim between the axle and brake backing plate.

2. Wow, you know, I was about to call the person over there a shim, when I remembered that would be fucking mean of me.

3. The shim are my third favourite band.

shim by Coopface December 3, 2006

shim 

a he-she, she-male, transvestite

whooah look at that shim! its more manly than that one!

shim by kaitlin barnes November 30, 2004

Shim 

A mixture of the words him and she. Used to describe someone who has characteristics of both a male and female person.

"His wife is such a shim!"

Shim by Corinne Simpson October 15, 2006

shim 

(n)-A person of anonymous or unconfirmed gender. Usually only applicable to people met online.

Are you still going out with that shim?

shim by Jon Zamboni August 3, 2005

Shim 

Commonly used word for small penis originating in northern Texas.

A person with a small dick.

Person A: "My dick is 1.5 inches hard."
Person B: "You're such a shim."

Person A: "What's the difference between a mosquito and a shim?"
Person B: "You can feel a mosquito when it's in you."

Shim by Chris.Plum.Sen.Nim August 12, 2009