David's not exactly a virgin, but his forays do seem to suggest that he's sexlexic. I really don't think he understands it.
n. (secks-lecks-ick, Am-Eng. origin) A very sexy learning disability. (see Futurama)
"Does sexlexic mean you put the constiuent parts of sex in the wrong order?"
"And sometimes you can't think of sex at all?"
"And sometimes sex's move around on the page in front of you?"
"I suffer from a very sexy learning disability. What do I call it, Kif?"
"Therefore I am a sexlexic!"
adj. A condition in which you confuse common words for sexual or perverted words. Can be used as a noun, i.e. sexlexia
John: "I had the weirdest dream last night."
Pat: "I thought that said you had the WETTEST dream last night."
John: "Pat, you're so sexlexic, I swear."