Definition
This idiom suggests that sarcasm is a poor form of humor, being both unkind and unfunny.
Resorting to sarcasm only makes you seem uninspired when you can't respond in a funnier way.
His comments were filled with sarcasm, clearly making it impossible to have a meaningful conversation.
She said, 'Oh, great,' but her tone was full of sarcasm, indicating that she was not happy at all.