23 janv. 2023 · What's The 'Coconut Challenge' On TikTok? As stated, the Coconut Challenge is less of a challenge and more like physical onomatopeia. Basically, the challenge happens when a woman is "on top" of man and spells the word "coconut" with her hips by moving in the shape of each letter, going all the way through C-O-C-O-N-U-T.