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cock–a–hoop

1 ENTRIES FOUND:
cock–a–hoop /ˌkɑːkəˈhuːp/ adjective
cock–a–hoop
/ˌkɑːkəˈhuːp/
adjective
Britannica Dictionary definition of COCK–A–HOOP
not used before a noun [more cock–a–hoop; most cock–a–hoop] chiefly British, informal
: very excited and happy about something done