talk about the weather

all talk and no cider

All talk and no results.

big talk

Statements which are boastful or exaggerated.

coffee talk

Informal conversation among friends or acquaintances, of the kind that occurs in a casual gathering where people sit together and drink coffee.

how's the weather

Indicating a change of subject to unimportant topics.

if these walls could talk

Used to denote a location with an interesting or controversial history.

keep a weather eye open

to maintain a background awareness of something; to remain alert to changes without it occupying one's full attention.

make heavy weather

To make progress only with difficulty.

make the weather

To be extraordinarily effective, especially when in a position of authority.