Here, have a cold drink. Cool yourself down.
•The ice finally cooled down the feverish child.
•We need to cool off the pudding in a hurry.
2. Fig. to reduce someone's anger. (Reducing the “heat” of anger.) •I just stared at him while he was yelling. I knew that would cool him down.
•The coach talked to them for a long time. That cooled them off.
3. Fig. to reduce someone's passion or love. (Reducing the “heat” of passion.) •When she slapped him, that really cooled him down.
•Seeing Mary was too intense, so Bill cooled himself off by breaking it off for a while.