To describe someone as being 'peveus' you are similarly describing them as being 'pink-shirted' in nature, able to be poked and/or prodded, possibly perverse, a TinTin fan, downloader and watcher of anime and with a hatred for large dark birds such as ravens or 'crows'.
John: "I'm not acting like a retard."
Tim: "Yes you are, but I'm not at liberty to discuss it. >_<"
John: "Man, you acting so peveus right now! hahahaha!"
Tim: "OMG! I WILL KILL YOU!"