to break, maim, or otherwise impair
"Don't bother trying to fix that watch. It's been gibbled ever since my brother threw it in the lake."
"The VCR totally gibbled up the tape I put in. Now I'll have to YouTube Dancing With the Stars."
In the state of becoming, or being, a gibble (see gibble). A handitard, dumbass, mental midget, cripple, or in some other way mentally, physically incapable, or both.
"He's more gibbled than a dickless guy in a whore house."
"If your dog Tripod loses one more leg, he's gibbled."