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1 definition by mkonjiygv

 
1.
Crude but friendly way to call a male person easy-going, cool, ok, or as the name suggests a gent or a gentleman

Origin is Ireland but also used in UK as slang word for a nice guy or a gentleman
Cheers man, you're a gentbag

Q: What's he like? A: He's an absolute gentbag
by mkonjiygv February 07, 2011