Tongue-in-cheek and Wacky

Tongue-in-cheek adjective - Cleverly amusing in tone.

Wacky and tongue-in-cheek are semantically related. In some cases you can use "Wacky" instead an adjective phrase "Tongue-in-cheek".

Wacky adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Tongue-in-cheek and wacky are semantically related. Sometimes you can use "Tongue-in-cheek" instead an adjective "Wacky".