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1.
any man who's messes you around or is just an asshole can be defined as a manbastard
all guys are manbastards!!
by bobpq February 07, 2010
 
2.
Man bastard is a term used between a group of friends as a joking insult.
put the kettle on you man bastard.

you absolute man bastard.

God, your one ugly man bastard.
by 9darter September 30, 2009