Sarcastify, of course. I thought everyone knew that!
Then you can renounize it: sarcastification. And when you are replete in your sarcastifying, it is sarcastific! I love to sarcastify! Do you sarcastify? I think she sarcastifies, but he’s a dolt and wouldn’t know a sarcastification from a lube job.
Isn’t that a sarcastific declension? Lucky for us, English is so easy on the conjugation. Hmmm. I wonder if that’s why words proliferate so quickly?