Blimey! Arsenal regularly making bloomer (6)

I believe the answer is:

correa

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'bloomer' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'blimey arsenal regularly' is the wordplay.
'blimey' becomes 'cor' (British expression of surprise 'cor blimey!').
'regularly' means one should take alternating letters (regularly take one letter, leave next etc.).
The alternate letters of 'arsenal' are 'rea'.
'cor'+'rea'='CORREA'

'making' is the link.

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(Another definition for correa that I've seen is " Aussie shrub".)

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