A young female actor who happens to be hotter than hell.
She was in Buffy the Vampire Slayer, Eurotrip, and some other crap as well. Don't let that scare you off, she's a fairly good actor, but the hotness, oooh the hotness!
Brad: "Hey, do you know who this Michelle Trachtenberg chick is?"
Steve: "Ye-" POP! splatter splash.
(Steve's head just a-sploded because Michelle Trachtenberg is so hot)