To be in a state of extreme inebriation, very drunk
"Me and the boys are getting a couple of cubes and gettin' gooned up."
"He's all gooned up and I think he is going to bed".
"We started tailgating at 9, so by 2, we were pretty gooned up."
To be damaged by carelessness or ineptitude, boogered,
Look at that car with the gooned-up paint job.
When they mounted my tires, they really gooned up the rims.
I really gooned up my bicycle when I rolled off a cliff.