A state of 'blue balls' where a person has failed to release their seed for quite some time.

As in 'Get your gums round my plums!'
'I'm in a bad state of Plumbago, haven't gotten any in ages!'

'She's well fit, i'd like to cure my Plumbago on her!'
by NickG90 May 9, 2010
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The pain felt in the lower regions when a gentleman has failed to deliver this letters for quite a while
oooh my hairy saddlebags are aching, I so need to release the seed otherwise i'll be in for a bad case of plumbago
by matthew wall January 20, 2004
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