A dingus is a lighthearted insult generally used with close friends. Dingus is often interpreted as a teasing term of endearment.
"Shut up and play with me, dingus. Minecraft just got a new update."
Also known as dingle berries, tangled balls of shit from any said hair butthole.
Or someone who is just kind of dumb.
That cow had a lot of dingus!
Or
Wow. What a dingus.
The name you call someone who is being stupid but you don't want to say stupid because your mommy would be mad at you.
"Oh my gosh, Patricia is such a dingus."
"You're so right Becky!"