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A loud and stupid toy from Ancient Egypt that used to be sacred, but now it's just a mess for kids. People use the word gabbadabler to call someone a brainless idiot in a friendly way.
My cousin called me a gabbadabler because I tried to eat a whole cake in one bite.
The teacher said, 'You're acting like a gabbadabler!' after I threw a eraser at the dog.
My brother texts me: 'You're a gabbadabler, I swear.'