One who dies with insufficient assets to pay off his or her medical bills.
The board of directors met to discuss the hospital's balance sheet. It was noted that the upturn in dedders had lead to a downturn in solvency.
by clarita words July 30, 2011
a person who has had a lapse in memory and therefore realises his/her mistake and proclaims the phrase "oh dedder" originated from retards who couldnt speak properly ie "da da"
simon u missed the turn off! oh dedder!
by sam March 29, 2004