snap to attention

attention whore

A person who routinely solicits attention through inappropriate tactics and provocation.

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.

pay attention

To attend; to be attentive; to focus one's attention.

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.