dunder muffin 

stupid nonsence

you are such a dunder muffin, i dont even want to look at you.

dunder muffin by bopppppppppppppop March 27, 2009

dunder mufflin 

to use an oragami paper dick on someone

Guy 1: hey i saw mitch yesterday
Guy 2: o, you mean michelle?
Guy 1:yea...she wanted me to fuck her, but when i went down on her i saw a lot of zits n shit...mighta had herpes
Guy 2: so whatd u do? u couldnt of hit it?!?!
Guy 1: no i didnt....i dunder mufflined that slut!!
Guy 2: nice....

dunder mufflin by pooponanigguh October 17, 2007

dundermuffin 

a name for someone you feel is annoying you, or you simply want to call a dundermuffin since it's fun to say.

"dundermuffin, this is pam."

dundermuffin by Julia Green October 27, 2007

Dundermuffin 

someone who is a very dear friend.

Sarah and Elizabeth are dundermuffins.

Dundermuffin by osiyf;aso5804e864 November 17, 2016