Tweedledum and Tweedledumber

== English == === Alternative forms === Tweedledumb and Tweedledumber === Etymology === Blend of Tweedledum and Tweedledee +‎ dumber. === Noun === Tweedledum and Tweedledumber (slang, derogatory) Two very similar simpletons, with the latter being even less intelligent. 1990, Mama's Family (television sitcom), "Look Who's Breathing" (season 6, episode 18) - Oh, aren't they sweet?- Sweet, hell. They look like Tweedledum and Tweedledumber.