emot -o- cats (´∀`) and ( ´Д` ) These guys are called モナー (monar), and I am assuming the origin of this word comes from 「お前もな」. There's a lot of 2 chan lingo, and 「お前もな」 is just one of them. Another 2 chan lingo that I know is 厨房 (chu bo), which means kitchen, but it actually means 中坊 (chu bo), a middle school boy (beginner). A lot of Japanese engineers and otaku's are VERY familiar with these 2 chan lingo. Try 逝ってよし (itteyoshi) to your fellow Japanese engineer colleague, when you want to criticize someone. (via tokyopia forum )