Just learned that it's "gậy ông đập lưng ông" This whole time I was singing "gậy lưng đập lưng ông" #fail #smh #howcomenoonecorrectedme #chetmaychua Tags: 9 comments 123 likes 0 shares Share this: Vietglish Fun About author not provided Changing Vietnamese history. The OFFICIAL Facebook page for Vietglisheners (Vietglish + Listeners) 323180 followers 278053 likes "http://vietglishfun.com/" View all posts