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Not of material interest oneself. Not one's business. Not an activity one would typically engage in under normal circumstances.
"Leeroy, ya djam fool buoy. Get yourselt oder 'ere an' have a tug on dis 'ere crack pipe."

"That's jolly decent of you Winston my dear boy, but freebasing crack cocaine is really not my pigeon. These days I stick to mainlining skag and the occassional speedball."
by Mikee T September 29, 2006

Words related to Not my pigeon

no ta not likely not my bag not my shizzle not up for it