1. [mid-16C+] a person, esp. one who puts on airs; thus bug’s words, boasting language.
2. [1920s+] (US) an insignificant person; an irritating person.
3. see boog n.
1. [19C] (orig. US) an important person, an aristocrat, esp. one who considers themselves to be one and acts accordingly.
2. attrib. use of sense 1.