"I'm as clean as a whistle"

This quote by Tommy Chong is an amusing method of saying that he is innocent of any misbehavior. It implies that he is as pure and untainted as a whistle, which is an instrument that produces a pure, clean noise. The phrase is often utilized to explain somebody who is innocent of any misbehavior or who is free from any kind of contamination. It can likewise be used to explain someone who is sincere and reliable. In this case, Tommy Chong is using the expression to express his innocence and to stress that he is innocent of any misbehavior. He is implying that he is as pure and untainted as a whistle, and that he is not involved in any type of shady activities.