A 2011 quote from Sinead O'Connor's blog:

"Let me now take time to make VERY clear that yes I 'do anal' and in fact I would be deeply unhappy if 'doing anal' wasn't on the menu, amongst everything else$$ So if u don't like 'the difficult brown'.. Don't apply..."
by rebornfungus September 4, 2011
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Euphemism taken from the world of snooker. Descriptive of that time of the month where a girl has "the decorators in", as in............
I am snooked behind a red and all that is left on is a Difficult brown
by sciross scoross September 27, 2007
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not being able to 'pot the pink' due to time of month, so one must go for the 'difficult brown'
by PsychoPoo0_o February 15, 2004
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