pull in your horns
pull in (one's) horns
To begin to act more cautiously. I just got this quarter's budget report, and we definitely need to pull in our horns and spend less going forward.
pull in your hornsor
draw in your horns
If you pull in your horns or draw in your horns, you start behaving more carefully than you did before, especially by spending less money. The world's big spenders have pulled in their horns during the recession. Customers are drawing in their horns at a time of high interest rates. Note: When snails sense danger, they pull in their `horns', which are the stalks that their eyes are on.