Acting in a way which is crusty and indigestible, as well as illegibly random. Someone acting in this way will often be found with food on their face, slobbery hands, and the idea that they are the best creation on earth.
'And here we have a native flibberyflog from the realm of mcgee'
'Dude that was Mitch behaviour'
'God you're so right, at least I understand basic hygeine'
by Yeetbone August 11, 2022