Deez Nuts is a joke made about someone's testis. It has many variations and can be said in many ways, however the best effect is created when paired with words ending with letter "D".
Nuts mean your private part, where pee comes from aka your bladder, so when some one say deez nuts, they are basically saying deez bladders. It’s basically a sussy joke
A commonly used abbreviation used in contemporary society (mainly by members of the Gen-Z generation), to describe a man's genitalia (a male's sexual organ)