Adjective
The word is derived from wacky
Nonetheless, no matter what medium, many of his well-known works share the common trait of austerity -- though his obscure 2017 Adult Swim miniseries may point to his general attitude shifting in a wackier direction in recent years. Source: Internet
This initially drew a divisive reaction among fans as he seemed far wackier and zanier than the real Joe Biden, but as this newest sketch reveals that was completely intentional. Source: Internet