"Mr. Burns comes out and flips cigar ashes on his shoes, and makes up about 90 percent of what you hear"

This quote is most likely referring to the character of Mr. Burns from the popular tv program, The Simpsons. It is likely a commentary on how Mr. Burns is often depicted as a rich, effective, and prominent figure who is typically viewed as untouchable. The quote implies that Mr. Burns is typically viewed as a figure of authority, which he is typically viewed as someone who talks with authority and self-confidence, despite the fact that much of what he states is likely exaggerated or comprised. This could be translated as a commentary on how people in positions of power often utilize their influence to manipulate and manage others. It might likewise be interpreted as a cautioning to be cautious of those in positions of power, as they may not constantly be informing the fact.