mostest

pronoun
most·​est | \ ˈmō-stəst How to pronounce mostest (audio) \

Definition of mostest

nonstandard, often humorous
used in place of most (as in imitation of childlike speech) … Americans are such suckers for TV commercials that we are powerless to resist the product that hits us with the mostest.— Russell BakerThe disposition of personal property often becomes a scavenger hunt. Items are tagged while last breaths are being gasped. To the crudest goes the mostest.— Thomas EastonLady Pamela Berry, wife of a newspaper proprietor and in her day the London hostess with the mostest, had given a dinner party in May 1951 that deserves both literary and historical footnotes.— Geoffrey Wheatcroft

First Known Use of mostest

1833, in the meaning defined above

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