talk big

But ma she tells him 't a man 't never does anything else might as well talk big words as little ones.

My wife is still in the hills, and we can talk big game without fear of boring the other sex.

You're like all the rest of them: you talk big, but you really don't want anything very important.

You think me a grand gentleman, because I talk big, and am full of noble sentiment.

The constable and his mate talk big, a crowd gathers round, and 'A ring!