John Gill Commentary Ezekiel 25:6

"For thus saith the Lord Jehovah: Because thou hast clapped thy hands, and stamped with the feet, and rejoiced with all the despite of thy soul against the land of Israel;" — Ezekiel 25:6 (ASV)

For thus says the Lord God. Their sin and punishment are further enlarged upon: because you have clapped your hands, and stamped with your feet.

gestures expressive of joy and gladness (Isaiah 55:12, Lamentations 2:15, Jeremiah 48:27). The Ammonites clapped their hands together, and leaped and skipped for joy, when they heard of the calamities of the Jews; who yet had more reason to be sorrowful, since they might expect their turn would be next; for the king of Babylon had a design against them, at the same time he came against Jerusalem, and was in doubt for a while which he should attack first .

and rejoiced in heart with all your despite against the land of Israel; They had a secret joy in their heart, which they expressed by gestures, in the most spiteful and scornful manner they were capable of; which showed the wretched malignity of their dispositions against the children of Israel; they hated them with a perfect hatred.