I think this is a pikey or chav word, from the shitty party of England.

It's like when you get punched in the nose, you know? That would be a wounda. But you can apply it to anything that just ain't quite right in either a good or bad way.
Ra: Damn Rezz, did you see the wounda ass on that bint?
Re: Btfo my arse mate, I seens it first!

or

We just got pwnt, str8 wounda!
by theMarz June 28, 2006
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