The male sexual organ.

When encouraged to the necessary length, the aforementioned organ can be used for wiping the kidneys of any game bird*, preferably up the jacksie.

*Please note: game bird means a girl who is up for it, not a pheasant or moorhen.
'Hey darling, fancy sitting on my kidney-wiper?'

'I wouldn't mind wiping her kidneys!'
by Arthur Damage March 27, 2007
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