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1.
An incredibly rich, self centered person of the Pink race. Far too much money and Irish for thier own good.
The kinky sexy lord indulged himself in very expensive whores, what a Hanrahan!
by Zeppa August 09, 2005
 
2.
To do a Hanrahan is to vomit profusely whilst ejecting shit flavoured air from your posterior hole
OMG I got so shitfaced last night i totally Hanrahan'd
by Lucy.H October 21, 2011