Sarcasticist.
Someone who is sarcastic, practices sarcasm.
Sheldon (Big bang theory) is a Sarcasticist and he doesn't even know it.
John, you're sucha Sarcasticist.
John, you're sucha Sarcasticist.
Sarcasticistic
A way to say sarcastic, but it’s fun.
Oh, Jimmy was being so sarcasticistic the other day!
Sarcasticist
One who is SOoOooOooo amazingly versed in the ancient art of Sarcasm.
Oh my god he is SUCH a great sarcasticist, I wish to be JUST like him!