The term used when you call someone and they hit the ignore button on their cell phone, to avoid speaking with you.

The term originates with Nextels because they have a side button to do that.

You know you've been side buttoned if it rings for a shorter time than usual before going to voicemail.

When you eat dirt for the first time and leave your family to build a shack in the woods

The action of ignoring an incoming call by the use of the side button on one's cellular phone.