be all mouth

To be full of boastful, arrogant, or shallow talk without the ability to deliver on such claims He talks a big game, but when it actually comes to asking out a woman, he's all mouth.

be all mouth

(British, American & Australian informal) also be all mouth and (no) trousers (British informal)

if someone is all mouth, they talk a lot about doing something but they never do it She says she'll complain to the manager but I think she's all mouth. You're all mouth and no trousers. Why don't you just go over there and ask her out?

Common Names:

Name	Pronounced	Usage
Silouanos	-	Biblical Greek
Murdo	-	Scottish
Ingegerd	ING-e-yerd (Swedish)	Swedish, Norwegian, Danish
Ildi	-	Hungarian
Mollie	['mɔli]
UltÁN	UL-tan	Irish