Basically the word "Dingus" is just another word for stupid, just like the word "Dickhead".
For example,

"Keep it steady, dingus!"

"Yeah, like some dingus kids would actually beat me in an argument."

"Well no shit, dingus. What did you expect? Of course that Prostitute you did had one or more STD's. Did you see how she looked?
by M.C.Shithead December 8, 2013
Get the Dingus mug.
A weirdo; a pupil who knows nothing. he/she thinks the earth revolves around themselves.

Singular: Dingus

Plural: Dingi
"Gosh!!!" Jonathon, Why do you continue to act like a dingus?
by gopher27 June 11, 2014
Get the Dingus mug.
That dude is a dingus but who knows, someday, he may be a pro.
by Jimmy Gerevath June 24, 2007
Get the dingus mug.
Idiotic, moronic.

One who eats dongs.

One who is Steven Shilling.
"Ugh, I got stuck hanging out with dingus last night when TDK flaked out on me."
by dungis March 23, 2004
Get the dingus mug.
Something with a horrific smell.

NOTE: Dingus is not a slow person.
It smells like dingus in here.
by dfresh713 July 2, 2009
Get the dingus mug.
The penis.
Because it has made some men try some stupid things.
He's just thinking with his dingus.
by Deep blue 2012 August 14, 2009
Get the dingus mug.