snap it up

cold snap

A short and sudden period of cold weather.

in a snap

At once, almost immediately, very quickly or suddenly.

in the snap of one's fingers

In a snap.

snap at

To lash out with a verbal attack.

snap at someone's heels

To compete with someone closely, with the possibility of soon defeating or replacing them.

snap back

To recover quickly.

snap judgment

A decision made without deliberation or in excessive haste.

snap out of

To terminate suddenly a mood, emotional state, or reverie.