( informal ) ( of information, etc. ) to be forgotten quickly :
Everything I tell them just goes in one ear and out the other.
( informal ) ( of information, etc. ) to be forgotten quickly :
Everything I tell them just goes in one ear and out the other.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005