Dictionary.com
definitions
  • synonyms

mostest

[mohs-tist]
See more synonyms on Thesaurus.com
adjective, noun Slang.
  1. most.

Origin of mostest

First recorded in 1880–85; most + -est1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mostest

Contemporary Examples

Historical Examples