Sarcasterisk
A **symbol** when one wants to denote sarcasm in a written form, without being misunderstood.
Lawrence didn't want Edo to misunderstand his text message, so he used a sarcasterisk. "Hey Edo, **thanks** for recommending Glitter! I really **enjoyed** it. Feel free to suggest more **classics** to me."
sarcasterisk
The changing of a full stop to an asterisk to indicate that the preceding sentence was sarcastic.
"Dude the sarcasterisk is so great"
"Yes. I really think it'll catch on*"
"Yes. I really think it'll catch on*"