1 definition by Regginald Muggleton
A Big Rig is someone preforms sexual acts against unwilling males and beastiality; typically livestock from agricultural workplaces, while showing narcissism and being uncompassionate to their partner/mate. Also, A Big Rig constantly rapes musical instruments while playing them, producing horrid quality sounds and thinks they are competent for playing that way, but they are just incompetent for realizing how badly they play.
by Regginald Muggleton January 10, 2009