(wækoʊ ) adjective. If you say that someone is wacko, you are saying in an unkind way that they are strange and eccentric. [informal, disapproval]

What does it mean when a person is wacko?

Definitions of wacko. a person who is regarded as eccentric or mad. synonyms: nutter, whacko. type of: eccentric, eccentric person, flake, geek, oddball. a person with an unusual or odd personality.

What is being goofy?

Full Definition of goofy

: being crazy, ridiculous, or mildly ludicrous : silly a goofy sense of humor that hat looks goofy.