裹着被子扮公主披着毛巾扮超人
[guŏ zhe bèi zi bàn gōng zhŭ pī zhe máo jīn bàn chāo rén]
This nickname paints a picture of someone playing make-believe with simple household items, such as pretending to be a princess wrapped in a blanket or a superhero with a towel. It suggests innocence and nostalgia for childhood games.