Most commonly used to mean a three peice band by the same name, consisting of Violin, Drums, and Guitar. Songs are mostly low key, but very heartfelt, generally considered an amazing band by the few who know about them.
I saw Dirty 3 last night! Amazing!
by Bee2k June 9, 2003
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A Dirty Three is a term used to describe the action of vomiting, defecating and urinating oneself.

This may occur for a many number of reasons, and can be an inconvenience.
'Mate, I'm not gonna' lie, I totally did a dirty-threer in The Black Swan toilets last night.'

OR

'Uh oh, I feel a dirty three coming on...'
by Malinator December 29, 2016
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