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An alternative name for underwear, pants, briefs, undercrackers, or suchlike. Garments to keep your arse warm.

Can also be used as a handy expletive.
'Hey Brian, I'm just off to buy me some new arse blankets!'

'Oh arse blankets, I've forgotten to switch the oven off!'
by tripsydipsy August 28, 2011
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