wisecrack
Wisecrack (noun) means a quick, clever and slightly cheeky remark, often made at someone else's expense. Example: “He could not resist a wisecrack about the manager's new haircut.”
How to use wisecrack
Learner’s notesIn plain EnglishA cheeky, clever remark.
Informal, with a mid-twentieth-century American flavour that many speakers now find slightly dated.
Fill the gap
Can you complete this real example?
He could not resist a _____ about the manager's new haircut.
Etymology
A compound of wise, in the slang sense of impudent or knowing, and crack, a sharp spoken remark; American in origin.