Also found in: Acronyms.
tweedledee and tweedledum
Any two people very similar in appearance, manner, or behavior, especially those who are or act particularly oafish or foolish. A reference to the names of two fictional twins in Lewis Carroll's Through the Looking-Glass, and What Alice Found There. It's a wonder we have any nice things at all with tweedledee and tweedledum over there running around the house knocking into everything. Most of the world sees our two countries as tweedledee and tweedledum, but we generally hate being lumped in with our boorish neighbors to the south.
n. a stupid oaf; a dullard. Marvin is no dum-dum. He just looks that way.
rumdumand rum-dum (ˈrəmˈdəm)
1. n. a drunkard; a ruined alcoholic. I don’t want to end up like a dirty rum-dumb.
2. n. a stupid person. Hey, rumdum, wise up and do what you are told.
3. mod. alcohol intoxicated. The old lady got rumdum on gin.