STEAM UP
Meaning of STEAM UP in English
steam up | ˌsteam sth ↔ ˈup
to become, or to make sth become, covered with steam :
As he walked in, his glasses steamed up.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005