掇臀捧屁 [ㄉㄨㄛ ㄊㄨㄣˊ ㄆㄥˇ ㄆㄧˋ; duo1 tun2 peng3 pi4] to hold up buttocks and praise a fart (idiom); to use flatter to get what one wants to toady boot-licking ◄ ►