1. To perform a particular action, phrase or movement that is considered 'retarded' 'silly' or 'dumb'.

2. To be un-coordinated at a particular task.

3. To act 'hostile' or 'psychopathic' or 'perverted' in a completely unrelated subject.

4. To have sexual relations (or similar) with an animal. Often poultry.

5. To make a particular phrase that consists of 5 or more swearwords, often combined with the above examples.
1. "Man why did you kick that kitten? What a downsey"

2. "Man when it comes to hackey sack your a downsey"

3. "Don't let him near the children, he's a bit downsey"

4. "Man I had an awesome fuck with a chicken last night, It was quite the downsey"

5. "Hey mate how are you?"
"Hey you fucking dipshit faggot cunt, im fucking good"
"Why are you going all downsey on me?"
by Ryan The Opressor August 30, 2007
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A tree toad commenly found in the region of South America and small numbers in France. Another name for the toad is "Tard" and this name was given by the boomabooma tribe that live there.
"Hey i saw a Tard today in the forest!" "Oh you saw downsey?"
Downsey's are usualy found in caves or under rocks, and are amazingly stupid.
Downseys Or Tards as they are more commonly known are fat and reports from the boomabooma tribe suggest they smell like "a very smelly sock".
by jonnyevans March 11, 2009
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