Giga-chad with high levels of sigma energy and a big brain.
Mukh the type of guy who has a cock the size of a truck.
Commonly used in arabic countries, 'zakee fil mukh' directly translates to smart in the brain. But when your arab friend calls you this, he isn't complementing you. In reality this word means smart ass or brainless, just in a more comedic way instead of being to agressive.
"Ya ustaz, inseet kitabi"
"hey teacher, I forgot my book"
"Inta zakee fil mukh"
"You smartass"