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Webster 1913 Edition

Adj.

Boastful; defiant; exulting. Also used adverbially.

Syn. – boastful, braggart(prenominal), bragging(prenominal), braggy, big, crowing, self-aggrandizing, vainglorious.

See also: cockahoop

cock-a-hoop ‎(comparative more cock-a-hoop, superlative most cock-a-hoop)

Exultant, very happy, triumphant.
- 2008, Lucy Cavendish, The Guardian, G2, 9th January 2008, p. 3:
  I have to say I felt pretty cock-a-hoop straight after my epidural but, some hours later, my head felt as though someone large and heavy had been sitting on it.