横よこっ腹ぱらよこっぱらMeanings1nounside; flankColloquial word for the side of the body or an object, often with a slightly rough or informal feel. Compare with the more neutral 横腹.See also: 横腹転ころんで横よこっ腹ぱらを打うった。I fell and hit my side.彼かれは笑わらいすぎて横よこっ腹ぱらが痛いたくなった。He laughed so much that his sides hurt.