a person with a well below average IQ.
George Bush can't give a speech without fucking it up. Most of the time it sounds like he has 50 kids with down sydrome writing for him. What a dondalinger.
by crackspoon October 29, 2008
1 more definition
The state of a popped O-Ring.
That Dilljoy missed my grundle and gave me one wicked Dondalinger.
by Wackin in the shack February 21, 2003