To grapple or wrestle with one another; to tussle or scuffle, often implying a physical struggle or clinch.
子供たちが公園で取っ組み合って遊んでいる。
The children are wrestling with each other in the park.
試合後に両チームの選手が取っ組み合う場面があった。
After the match, there was a scene where players from both teams grappled.
口論がエスカレートして、ついに二人は取っ組み合うことになった。
The argument escalated, and finally the two of them ended up wrestling.