drop an/the F-bomb

To use the word "fuck," especially at a particularly inappropriate time or place. I was so nervous and emotionally shaken at my grandfather's funeral that I accidentally dropped an F-bomb during his eulogy. You need to be careful that you don't drop the F-bomb around her parents. A: "Um, where did Molly learn that interesting new word?" B: "I might have accidentally dropped an F-bomb in the car yesterday."