jackass
noun
jackass noun [C] (SILLY PERSON)
old-fashioned informal
a person who behaves in a silly way
Source: Cambridge Dictionary
A well-meaning jackass may not mean any harm but they can cause plenty as they often do not know what they are talking about.
Take everything a well-meaning jackass tells you with at least several grains of salt as they my give you misleading information or even dangerous information.
Joke: What do you call an angry carrot?
