"If you're a sarcastic dude, leave that at home.", according to some solid PUAs.
"Be sarcastic with girls.", as other less solid PUAs, in my opinion, said.
However, I believe "sarcastic funny" in some situations is good as long as a girl knows you're actually being "sarcastic funny". So sarcasm is kinda situational.
As I posted on previous thread, when a girl call me a dork, I once said "Yeah, indeed, I'm the king dork. And King Dorks don't date common dorks like ya. But since I'm something more than a king dork and for you, my unusual girl... I can make an exception." It should be powerful but it didn't. Gee, I think she didn't get it.
What are you guys's experiences on sarcasm?