Wiktionary
vb. (en-third-person singulardress up)
Usage examples of "dresses up".
She pulled back the flaps of a cardboard box from the hall and then began to fold the dresses up and lay them away.
I would have bundled those dresses up and heaved them out the window and spat after them.
Men in top hats and frock coats were assisting ladies in tiny hats and huge dresses up the brass-bound step-boxes into the cars.
It was easy to ignore a Patrick, who failed quietly, when you had to cope with boys like Henry Bowers and Victor Criss, who were actively disruptive and insolent, boys who would steal milk-money or happily deface school property if given a chance, and girls like the unfortunately named Elizabeth Taylor, who was epileptic and whose few poor brain-cells worked only sporadically and who had to be discouraged from pulling her dresses up in the playyard to show off a new pan: of panties.
Well, you know the guy who dresses up like that big peanut outside the peanut store downtown and hands out little samples of nuts to folks?
A crazy man who dresses up in a comic-book suit and goes out doing good deeds, like some overgrown boy scout!