A defense used by Johnny Cocran that was used help Chef in the episode Chef Aid in South Park
Ladies and Gentlemen of the jury, this, is Chewbaca. Now why am i talking about Chewbaca when this man's life is on the line, i tell you... I dont know, I-Dont-Know.
During the act of eating a girl out, you roll your toungue like a dirty mexican, making you sound like chewbaca. Usually causing instant sexual arouse for a woman making her want to ride you cock for hours.
Dude I went chewbaca on that girl last night, let me just tell you she instantly hopped on my cock, and she continued to ride it all night long.