Sometimes, the answer is right under your nose.

Love that search bar!

my $cookie = cookie(
   -NAME => "Matrix",
   -VALUE => "",
   -EXPIRES => "-1d",
   -PATH => "/",
);
  print header(-COOKIE => $cookie, -COOKIE => $cookie, );
[download]

UPDATE:Meant to add revised code.
UPDATE2:Fixed Syntax Error. Nice Catch LTjake!

-- Can't never could do anything, so give me and inch, I'll make it a mile.