 Re: Fill your boots
Fill your boots isn't the same as fill his shoes (which we also have in the UK), and it (the boots collocation) means a bit more than help yourself - it means help youself using every possible container; I think it was applied originally to pirates plundering a rich prize. I hear it most in cricket commentaries - when a bowling attack is very weak, and the batting side fill their boots by scoring freely (which gets away from the idea of 'containers', but develops the idea of 'easy pickings').
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