upside
n.
1610s, "upper side or surface," from up, adj. + side, n.. Adverbial phrase upside (someone's) head in reference to a blow to the head is recorded from 1970, U.S. black slang.
词汇 | upside |
词根词缀 | Online Etymology Dictionary upside n. 1610s, "upper side or surface," from up, adj. + side, n.. Adverbial phrase upside (someone's) head in reference to a blow to the head is recorded from 1970, U.S. black slang. |
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