be (walking) on thin ice

(redirected from was walking on thin ice)

be (walking) on thin ice

To be doing something very risky or dangerous that could result in imminent disaster or ruin. I hope you realize that you'll be on thin ice if you decide to gamble your employees' retirement funds on such a dodgy investment. You're walking on thin ice by continuing to come in late. If the boss notices, you'll be fired.
See also: ice, on, thin