noun::An imaginary weapon used to smite n00bs. When someone spams or causes trouble on a forum, mods and users alike will refer to it.
I was playing halo with my buddy and I totally took out the banstick on his ass.
he's spamming like no other! take out teh banstick plz!
A banstick is a fictional object used by admins of a server to ban people. Used to mean "I will ban them"
"OMG A h4xx0r! I'll go get my banstick!"