[be] cruising for a bruising

to knowingly do what can get one into trouble

This idiomatic expression "be cruising for a bruising" likely originated in the mid-20th century, and it conveys a warning or prediction of trouble or harm. The phrase is used to suggest a sense of impending trouble, emphasizing that the person's actions or attitude are provocative or risky.

Unless you've got your stuff together then you're cruising for a bruising
He was making fun of the bouncer all night; he's definitely cruising for a bruising.
When you drive like a maniac, you're just cruising for a bruising from the traffic police.
Mocking your boss in front of the entire team is a surefire way to be cruising for a bruising at work.
Starting a fight with the biggest guy in the bar is like saying you're cruising for a bruising; it won't end well.