look up any word, like blumpkin:
 
1.
To Dumb Up. Basically, you take something which is not clever and make it look really clever by adding extra (unnecessary) content.
My essay was a bit rubbish but if I dumb it up by quoting Chomsky my teacher might give me an A.

My teacher warned me not to dumb up my essay
by engnet-academy.com February 21, 2009