Answer: boaster

AnswerCrossword Clue
BOASTERBigmouth
BOASTERBraggart.
BOASTERGasconader
BOASTERMajor Hoople, for one
BOASTEROne blowing his own horn
BOASTERBraggart
boasterchisel for boasting stone
boasterone who boasts (to brag (to boast))
boasterperson who boasts or brags