v.intr. (usu. foll. by out) colloq.
1 (of a machine etc.) break down.
2 (of a person) become exhausted and give up; faint; die.
Etymology: 20th c.: orig. unkn.
2.
n. & v. sl.
—n.
1 a the nose. b the head.
2 a a punch on the nose or head. b a blow.
—v.tr. punch on the nose; hit on the head etc.
Etymology: 19th c.: perh. = conch
Useful english dictionary. 2012.