cornhole (v.)youdaoicibaDictYouDict[cornhole 词源字典]
synonymous with "do anal intercourse" by 1930s, apparently the reference is to a game played in the farming regions of the Ohio Valley in the U.S. from 19c., in which players take turns throwing a small bag full of feed corn at a raised platform with a hole in it; from corn (n.1) + hole (n.).[cornhole etymology, cornhole origin, 英语词源]