A mystical creature that was created in the land of Brunet St, more specifically, the tree of wisdom. They are most known for the estranged sound it makes. 'Eeeee-yuh'

In the winter, the donker's used their pond as an ice rink.
by mugwump99 March 07, 2008
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This is large knobby turd that really thuds the porcelain when you are on the toilet.
Dude, my anus was twisted after dropping a donker this morning.
by jimmy jam slam October 16, 2008
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a person who does everything wrong.

(this word is good for use around parents- it's not a swear word so you won't get in trouble. they'll have no idea what you're talking about)
big brother: you forgot to flush the toilet again!
little brother: oops.
big brother: shut up. you're such a donker.
by uradonker May 19, 2009
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said to a person who has just hiccuped
Mary said donkers over 20 times while John battled a horrible case of hiccups.
by Les Ashill July 27, 2008
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