I've been working on understanding the unique language of Craiglist man for man personal ads. Here's one measure: a list of the words that show up frequently in ads but relatively seldomly in ordinary English, in particular television and movie scripts.
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The word pic (or pics) shows up once every 120 words in a Craiglist ad, but only one in a million in TV/movie scripts. Cock is about 800 times more likely to occur in a Craiglist ad than in a script. The non-sexually-explicit terms like moderately and masculine interest me most.

For completeness, here are the top words that are common in TV scripts but not in Cragislist m4m ads. A lot of proper names and feminine terms.

she's uh mother um hmm whoa mrs daughter killed wedding sonny upset theresa ooh she'll luis grace they'll sweetheart julian antonio ms charity billy ray miguel kay evidence sweetie shawn mommy mama barbara elizabeth congratulations aw mother's jennifer witch skye father's gosh ian maria powers mitch witness eddie hank grandma harmony bloody everybody's
  2009-04-10 20:34 Z