A term coined by the great Charlie Kelly meaning someone who possesses inferior intelligence and a lack of common sense, similar to a donkey, or activity that would suggest such.
Dennis eating cereal while driving was completely Donkey-brained.
by TurkTurkleton June 7, 2013
Get the Donkey-brained mug.
Something the children in Frank Reynolds neighborhood would call him after he was released from the "nitwit farm".

Because of this, young Frankie requested his mother take them back to the facility so the medical staff could exonerate him, via certificate, of having "donkey brains" in hopes the children would stop teasing him.
Driving while holding a bowl of cereal is "donkey brained".
Even being at a complete stop before taking a bite, still proves one to have "donkey brains".
by Dog Abortionist February 10, 2022
Get the Donkey Brains mug.
A person, usually a woman, who has the brains of a donkey
That poor girl is an idiot, she must have donkey brains
by realniggas337 January 2, 2017
Get the donkey brains mug.