wad up, wad [sth] upvtr phrasal sepphrasal verb, transitive, separable: Verb with adverb(s) or preposition(s), having special meaning, divisible--for example, "call off" [=cancel], "call the game off," "call off the game."
US (paper, fabric: roll up)
揉成一团
卷成一团
Wad up the bedclothes and leave them by the washer.