هُمْ يَتَوَاثَبُونَ عَلَى كَذَا

They leap, or rush, together upon such a thing [in an evil, or injurious, or a contentious manner]. (S, article كلب.) التَّوَاثُبُ is synonym with التَّكَالُبُ. (S, K, article كلب.)

Perseus ID: n41622