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1.
1)Someone who is just being 'bate' so being blaitant about doing something.

2)Being a batehead-being stupid
e.g.your being a batehead

3)Batehead-Someone who dresses up in sports clothing, wears cheap gold and has an attitude problem e.g. they think their hard, but their just wannabe gangsters. Usually what are also known as pykies.
1)e.g. stop being a batehead nicking that pencil when the security guard is right there

2)e.g.your being a batehead (your being stupid)

3)bare bateheads about or ha ha what a batehead
by Josh Wellman December 11, 2003