a childish idiotic noise "waah" made by a nerd or geek or freak to make themselves seem cool. it is just a stupid noise that annoysing someone, and tends to be used to by freaks, geeks and nerds when they are upset. tends to be used to the age group of 13-23 by people called damien
"waah, my internet is only going at 192kbps, when it normally does well over 200kbps" or "waah i can't get a girlfriend/boyfriend" or "waah! i hurt my self when using a butchers knife to cut myself"