A person who causes problems or get gets in the way of production.
That Motherbastard did not help me paint the walls.
by Robert M Richardson October 25, 2004
An adjective or noun used as an exclamation of disappointment and/or rage
When you talk to your siblings, you become an utter mother bastard sometimes
by Call me "Duke" November 08, 2010
a person who likes the Dallas Cowboys and dresses in drag, also likes to watch porn all day on his computer while at work, he also plays cames
Look at that motherbastard on the phone
by real deal October 22, 2004