RUCK UP
Meaning of RUCK UP in English
ruck up | ˌruck sth ↔ ˈup
( of cloth ) to form untidy folds; to make sth do this :
Your dress is rucked up at the back.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005