1 definition by jezza798

when someone goes absolute bat-shit retarded and stops all form of communication while people are trying to talk to them. in most cases a loud noise will be enough to stop this but under certain circumstances a person may go up to a category 3 brick wall in which case it is advisable to just perform a mercy killing against them
sam-"harry are u there?"
harry-".........."
bob-"oh god he's brick-walling again"
sam-"we need to get him help this is getting out of hand he's such a brick wall"
by jezza798 October 1, 2013
Get the brick wall mug.