NOT KNOWN FACTUAL STATEMENTS ABOUT BLACKMAIL

bust-ups bust a gut bust up bust your butt/chops/hump bust a thing up boom and bust bust your ass (undertaking a little something/to do one thing) bust your butt/chops/hump (accomplishing one thing/to complete something) bust your chops/butt/hump (accomplishing a little something/to accomplish something) bust your hump/butt/chops (doing something/t