Is that sarcasm?

It was supposed to be. Looks like it may have not come across completely. Should've known better.

Whoever figures out a way to convey sarcasm in text is going to make billions

In certain Ethiopic languages, sarcasm and unreal phrases are indicated at the end of a sentence with a sarcasm mark called temherte slaqî or temherte slaq (U+00A1) (¡), a character that looks like the inverted exclamation point.[1]

Make the check out to my name.

[1]: http://en.wikipedia.org/wiki/Irony_punctuation#Temherte_slaq...

Well, we have :) or ;) [archaic ;-)] – not that different from other proposed or existing sarcasm or irony marks. The problem is its bad image, using it feels at least to me like hitting people over the head with the sarcasm or irony. I think it shouldn’t be that way.

Expressing sarcasm or irony in a text without any punctuation marks or any other obvious hints is hard and, if done right, brilliant. It’s an art quite unlike expressing sarcasm or irony in speech where we actually do hit people over the head with our delivery. We are just more used to it and it has a better image.

We probably shouldn’t be all that ashamed of hitting other people over the head with our sarcasm and irony in text, at least in casual online discussions and when we don’t have time for brilliance.

"Make the check out to my name."

I was being sarcastic.

I wasn't. ¡

Letting people know when you're being sarcastic is awesome.