cold hard cash

a cold day in July

The time of occurrence of an event that will never happen.

blow hot and cold

To behave inconsistently; to vacillate or to waver, as between extremes of opinion or emotion.

bone hard

As hard as a bone, rock hard.

cash in one's chips

To discontinue an activity, accepting whatever gains or losses one has incurred; to give up.

cash on the barrelhead

Money in the form of paper currency or coins, paid immediately at the time and place of a transaction: cash only (no credit), and at the point of sale.

cash up

to count the money taken by a business at the end of the day.

catch a cold

To contract a cold.

cold cash

Money, regarded as an incentive that can override any doubts or ethical concerns.