Describing tone:
* "She gave me a sarcastic smile, clearly not believing my excuse."
* "His sarcastic tone made it clear he wasn't impressed with my idea."
* "The author's sarcastic humor made the book both funny and thought-provoking."
Describing a person:
* "He's so sarcastic, it's hard to tell if he's being serious or not."
* "My friend has a very sarcastic personality, which can be both entertaining and annoying."
* "The comedian's sarcastic wit made him a hit with the audience."
Describing a remark:
* "Her sarcastic remark about my new haircut really hurt my feelings."
* "That was a pretty sarcastic comment about my cooking, wasn't it?"
* "The politician's sarcastic response to the reporter's question raised eyebrows."
Remember, sarcasm often uses irony or exaggeration to express a different meaning than what is literally said. Be mindful of your audience when using sarcasm, as it can be misconstrued or even offensive.