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Allied Irish is Irish rhyming slang for the act of masturbation. Can also be shortened to allied.

It comes from an irish institution called the Allied Irish bank which rhymes with wank. Having a wank is a British/Irish term for masturbation.

E.g. That movie was so hot, I need to go for an allied Irish.

Or: god, I'm horny. I need to go for an allied.
by Ilovemjoys April 25, 2006
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