A predetermined spot/area in games such as tag, that require a "safe zone". If you are touching this spot, you are SAFE from your competitor. You can not become "IT". You can NOT however stay on GOOL for an extended period of time. The time limit on GOOL is 10 Seconds.
eg: the slide in the backyard while playing tag.
HER - "Dude, I can't be it, I was touching GOOL!"
HIM - "No you weren't touching GOOL, you were just near it!"