paint the treehouse
a blow job; a blow job characterized by the up and down licking motion of the tongue.
Guy 1: "Yo, did you take home that girl that you met at the bar last night?"
Guy 2: "Hell yeah, man!"
Guy 1: "Did you get her to paint the treehouse?"
Guy 2: "Yup, she even put a second coat of paint on later!"
Guy 2: "Hell yeah, man!"
Guy 1: "Did you get her to paint the treehouse?"
Guy 2: "Yup, she even put a second coat of paint on later!"