To stick your bare ass out the window of a friends car while passing another driver because he/she is driving like a douchebag infront of or beside you. can be done on either side of car but works best when you are turning left and they are stopped at a red light.flapjacking flap jack
why did you flapjack him?
Because he was doin 35 n a 50zone
Similar to a butherface, although less extreme. Her body is above average, but her face is below average, therefore, you must flip her over to fully enjoy the sex. More extreme measures, ie the paper bag, are not necessary.
John: She'a a 5, I think you were a little liberal with the 6.5. She's kind of a butherface.
Eric: No she's not, cause a butherface is a stunning body and an awful face, she's got an okay body and a less than okay face.
John: Yea, you probably gotta flip her over to enjoy the sex though, like a pancake.
Eric: Yea you're right, she's not a butherface, she's a flapjack.