A man in shorts and a tank top dancing on the couchA man in shorts and a tank top dancing on the couch
Many colorful candies are lying on top of each otherMany colorful candies are lying on top of each other
The tops of the trees from the bottom up of the autumn forestThe tops of the trees from the bottom up of the autumn forest
То же, что топнул. Первая часть сложных слов в знач. «высшего разряда, высший» ,.