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A Subway Bum. Is usually a low-income person. Whom scrounges change from any available resource, so they can take advantage of subways $5 dollar foot-long deal!
Sam: Hey man why are you digging through my cup holders?

George: Im trying to get enough for a foot-long at subway!

Sam: Get out of my car you Subway Bum!
by Addicted_To_Rehab February 27, 2013
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