吹牛[吹大炮]

Brag \Brag\, v. i. [imp. & p. p. {Bragged}; p. pr. & vb. n.
{Bragging}.] [OE. braggen to resound, blow, boast (cf. F.
braguer to lead a merry life, flaunt, boast, OF. brague
merriment), from Icel. braka to creak, brak noise, fr. the
same root as E. break; properly then, to make a noise, boast.
?{95}.]
To talk about one's self, or things pertaining to one's self,
in a manner intended to excite admiration, envy, or wonder;
to talk boastfully; to boast; -- often followed by of; as, to
brag of one's exploits, courage, or money, or of the great
things one intends to do.

Conceit, more rich in matter than in words,
Brags of his substance, not of ornament. --Shak.

Syn: To swagger; boast; vapor; bluster; vaunt; flourish; talk
big.