A "Ghost Grip" is what happens when the hand grasps the penis so hard their knuckles turn white as a ghost. Can be experienced during either masturbation or while receiving a hand job.
Person 1: "Hey dude, I got a handy from Lauren last night."
Person 2: "Nice, how was it?"
Person 1: "A little painful, she got a ghost grip."
When your shit is so powerful, it renders the bathroom inhospitable for the next 20,000 years.
Mike: Hey dude, do not go in there, those tacos caused reactor number two to melt down.
Dave: What?
Mike: What don't you get? The half life on my ass ran out, I pulled a Chernobutt, the shitter can no longer function. It is a harrowing disaster, the toilet paper has mutated, it will be featured in a Call of Duty campaign.
Dave: I think it I get it now.