He imitated his boss's walk so comedically that everyone burst into laughter.

comedically 是形容词 comedic（喜剧的、滑稽的）加上副词后缀 -ally 构成的副词形式。comedic 来自名词 comedy（喜剧），表示"具有喜剧效果的"。comedically 意思是"以滑稽可笑的方式"。