[falcolas]

I can't tell if serious or sarcastic. Either way, here you go.

nonplussed : adjective

- Bewildered; unsure how to respond or act.

- Unfazed, unaffected, or unimpressed.

- filled with bewilderment

[flyingcircus3]

This meets the criteria of Poe's law. It is equally reasonable to assume _you_ are being sarcastic or serious. If they didn't just recently look up the definition themselves, they wouldn't have commented about the conflict in the two definitions.