What does Boxing Day have to do with boxing?
"nervous, jittery," by 1970s; earlier (1959, perhaps early 1950s) as "using narcotic drugs, addicted to drugs;" from past participle of wire (v.).
Old English wir "metal drawn out into a thread," from Proto-Germanic *wiraz (cf. Old Norse viravirka "filigree work," Swedish vira "to twist," Old High German wiara "fine gold work"), from PIE *wei- "to turn, twist, plait" (cf. Old Irish fiar, Welsh gwyr "bent, crooked;" Latin viere "to bend, twist," viriæ "bracelets," of Celtic origin). Wiretapping is recorded from 1904, from earlier wiretapper (1893). Wirepuller in the political sense is 1848, American English.
A person whose name one does not know; What's-His-Face: Hello to Fred and Whoozit (1931+)
To cancel or ignore what has gone before; begin anew; go back to square one: Let's just wipe the slate clean and pretend it never happened (1921+)
thread or slender rod, usually very flexible and circular in cross section, made from various metals and alloys, including iron, steel, brass, bronze, copper, aluminum, zinc, gold, silver, and platinum. The processes used are all fundamentally the same