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having a meager lunch similar to that which a hobo might consume on any given summer day. Usually cooked using primitive means
Bum 1:I just spent two hours cooking some hot dogs in a shoebox lined with tin foil. Want one?

Bum 2:Heck yes!Bum lunch rocks!
by TheMidnightGolfers April 29, 2010
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the wild gnawing of a partners rump
lie down and i will dine

An alfresco bum lunch to feast on a street stranger
by what-a-crap August 29, 2003
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