plastered (adj.)youdaoicibaDictYouDict[plastered 词源字典]
"coated with plaster," late 14c., past participle adjective from plaster (v.). Slang meaning "very drunk" attested by 1912, perhaps from plaster in medical sense of "to apply a remedy to; to soothe" (see plaster (n.)).[plastered etymology, plastered origin, 英语词源]