tucker (v.)youdaoicibaDictYouDict[tucker 词源字典]
"to tire, weary," 1833, New England slang, of uncertain origin, perhaps from tucked (past participle of tuck (v.)), which had, in reference to dogs, a slang sense of "exhausted, underfed." Especially with out. Related: Tuckered; tuckering.[tucker etymology, tucker origin, 英语词源]
underfeed (v.)youdaoicibaDictYouDict
1650s, from under + feed (v.). Related: Underfed; underfeeding.