Erector set

I have a boner.

http://www.scientificamerican.com/article.cfm?id=secrets-of-the-phallus

Evolutionary psychologist tackles the human penis. What he reveals is his dick.

Semen displacement. Upsuck. Polyamory. It's got everything.

Dick.

(via fimoculous)

Urban Outfitters models

There's something about seeing only the lower half of a woman's face that drives me to arousal.

Sweet!