Top Definition
An act of Moderation over the person/s who are misbehaving. (via banning them)
I had to place a ban cannon on an idiot because he wouldn't stop breaking the forum guidelines.
by Demon Child July 24, 2005
1 more definition
An extremely versatile weapon used by power administrators to keep the forums free of trolls. It is much stronger than a feebly banhammer, and its awesomeness is so great it has even been ported to games
Then he shot them all with the bancannon
by Urmom_urdad September 14, 2007

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