Songs that make you horny...
 

?????
One of mine, and I am clueless as to why...:"And She Was" - Talking Heads.

stooges - loose

Halloween - Sonic Youth

Sonic Youth- Improvisation Ajoutee

^^^ this.

see also: G-Force - Ciccone Youth

I recommend every getting freaky to this one

pj harvey - rid of me

Sonic Youth - Hallowe'en, Dude Ranch Nurse
Pixies - SURFER ROSA
DJ Shadow - What Does Your Soul Look Like Pt. 4

I'm not sure this qualifies but I almost had an orgasm listening to "Get the Keys and Go" by the Llama Farmers. It only happened a couple times though :)

patti smith - free money

this.

I used to masturbate (hump pillows) to this song when I was like 11:
http://www.youtube.com/watch?v=QLVF7F4dTOk

Halloween of course
The Manifold Curiosity by Kayo Dot

There's a Robe. song, the second track on "The Great Northern", that gives me a boner. It reaches a certain frequency... or something... and I pop a boner.

Cross The Breeze

Gloria - Patti Smith's version

Lovegame by Lady Gaga
And
Shimmy Shimmy Ya (only due to memories associated with it)

wow, that is a fuckme song.

i know one of the former members of the llama farmers, next time i see him i'll tell him.