Someone suffering from the Dunning-Kruger effect who believes s/he is far more capable than is true. Though the opposite can also be true and high performers underestimate themselves, dunkrug has a derogatory connotation. The term may also be used with respect to knowledge.
Only dunkrugs argue it's unnecessary to wear masks in restaurants when walking to their table.
I hate meetings with know-it-all Jim because he's really such a dunkrugger.
Friend 1 - How did Jamals health deteriorate so quickly?
Friend 2 - In another one his brilliant moves that dunkru decided to treat his cancer with Homeopathy because he thought that doctors got too many things wrong and didnt know what they were talking about.
When you shit on your partners back then ride them like a donkey.
In some instances a smear in the hair at the end of the session is acceptable. This is also awarded the desirable name of a hairy duner, or the duner encore.
You give a great duner ! Yeah thanks, I used to do horseback riding .
You look sore today? Yeah I was giving my girl a duner last night till late .
We all have this bloke or colleague who is very slow and has a very common name like Joe, John or, for example, Jan.
If you then combine the familiar 'Duurt Lang' with Jan - you get DuurtJan!
Me: Hey, we're still waiting for our coffee!
Jan: I'll be there in a couple ofminutes.
Me: DuurtJan!