whd or whhd

noun

Plural: whds, whdf, whhds, whhdf

A mispronounced (speech-defective) form of the word "word".

Examples:

—Do you understand?
—Undehtood.
—Not a word at home!
—Ou
whhd! (Source: J∙ Okram - The Mystery of the Rammed Key.)