blow hot and cold

present singular third person blows hot and cold · participle present blowing hot and cold · past blew hot and cold · participle past blown hot and cold

1. idiomaticintransitiveTo behave inconsistently; to vacillate or to waver, as between extremes of opinion or emotion.

   For a week, she couldn't get enough of me. The next week, her interest blew hot and cold, and a week later she dumped me.

   3 more examples

   He blows hot and cold. He will speak for or against.

   1852 July 1, “New-York University: Commencement Ceremonies-Anniversaries of the Literary Societies”, in New York Times

   Geminis, like air, blow hot and cold. They go this way today and another way tomorrow.

   1968 October 25, “A Goat, Twins and a Virgin”, in Time

   The Xinhua commentary said that Chen "blows hot and cold, behaves capriciously and is a hard man to trust."

   2002 May 12, “China says DPP is only welcome if it changes platform”, in Taipei Times, retrieved 09 Jul 2008

   Synonyms: run hot and cold, suck and blow