rum-dum

or rum-dumb, rum-dumm

[ ruhm-duhm ]
/ ˈrʌmˌdʌm /
Slang.

noun

a stupid or ignorant person.
drunkard; lush.

adjective

stupid; ignorant.
of, pertaining to, characteristic of, or arising from habitual drunkenness; addled by drink.

Words nearby rum-dum

Origin of rum-dum

1890–95; rhyming compound with rum1 and dumb, perhaps influenced in sense by humdrum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019