dacoycoy

-to laugh without minding other people think.
-to laugh wildly

An offensive term towards someone who cannot be trusted and trying to have a good reputation by being fake and plastic. An ugly fat person that has too much confidence, a person who thinks he knows everything, a stupid, very biased and shallow being. A person that will try to let you down or offend you through judging your works even though he doesn't have a single idea on that certain field.

Dacoyoy is also an another term for "Incubus" or "Maniac". A person who is fond of thinking lewd thoughts about girls while acting like a gentlemen to ladies but the truth is he just want to do something bad to them.