@gruk.the.caveman: Episode 2: Gruk learns karate 🥋🪵 Gruk thought he was a karate master… One kick. One stone. ZERO brain cells. 💀😂 Never underestimate a caveman’s ability to hurt himself. 😂 Wait for the ending! 🤣 Follow for Episode 3. #comedy #humor #fyp #funny #viralvideo