Drop the F bomb
Example:
Person 1: Dude, John's in shit with his parents because he dropped the F bomb at dinner while his grandparents were over.
Person 2: What a dumbass.
John: Yep, I chose a pretty stupid time to drop the F bomb.
Person 1: Dude, John's in shit with his parents because he dropped the F bomb at dinner while his grandparents were over.
Person 2: What a dumbass.
John: Yep, I chose a pretty stupid time to drop the F bomb.