Thighslappers are hilarious jokes or stories that are so funny they make you slap your thigh in delight. However, there are numerous synonyms for this expression, such as rib-ticklers, knee-slappers, side-splitters, belly laughs, bust-a-gut, and many more. It is essential to have these synonyms at your disposal, particularly when making witty remarks or telling jokes. Using them will make you sound more articulate and polished in your delivery, and it will keep your audience engaged and entertained. So when you come across something that makes you laugh so hard, you feel the need to slap your thigh, try using one of these synonyms as a fun alternative!