Bombonculous is a term used for when someone of high intelligence or strong character invites ridicule or mockery of themself, making them look a fool to their peers. This is usually not a regular occurrence but can happen by deliberate action or via a blunder they should have predicted.
Bomboclussy; It is an amalgamation of the word bomboclaat and pussy, it can be used as a term of endearment and also as an insult, like calling someone an idiot.