"Wacky" refers to something that is amusingly eccentric or unconventional. It often describes behaviors, ideas, or styles that are quirky and out of the ordinary. People might use the term to characterize a fun, lighthearted atmosphere or a person who embraces their uniqueness in a playful way. In popular culture, "wacky" can be seen in various forms of entertainment, such as cartoons, comedy films, and television shows. Characters like The Mad Hatter from Alice in Wonderland or SpongeBob SquarePants exemplify wacky traits, often engaging in silly antics that entertain audiences and highlight their offbeat personalities.