A gentle push.

A feature of instant messaging software used to get the attention of another user, as by shaking the conversation window or playing a sound.

The rotation by one step of a fruit machine reel of the player's choice.

“Since the machine was showing two lemons and a cherry, I decided to try a nudge.”

To push against gently, especially in order to gain attention or give a signal.

To near or come close to something.