It's a joke that is innaproprate and disrespectful. It means the private part of the boy.
I have a question, deez nuts! Haha, got 'em!
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)
Something your move loves salivating over
She took a big slurp of Deez Nuts
Person 1: Do you like these nuts?
Person 2: ...Yes?
Person 3: Well, you might like; DEEZ NUTS
preferably talking about the male ball sack, often used for common jokes.
something your mom sucked on last night
Someone: Dude, have you met deez?
Another person: No, who's that?
Someone: DEEZ NUTS!