Correct spelling for the English word "schtickest" is [ʃtˈɪkəst], [ʃtˈɪkəst], [ʃ_t_ˈɪ_k_ə_s_t] (IPA phonetic alphabet).
There is no official dictionary definition for the word "schtickest" as it does not exist in standard English vocabulary. It appears to be a made-up or misspelled word. Without further context or information, it is challenging to provide an accurate definition.
If, however, you meant "schtick" instead of "schtickest," the following definition can be considered:
Schtick, derived from Yiddish (שטיק) and commonly used in colloquial English, refers to a particular characteristic, gimmick, or unique element that distinguishes someone or something. It often refers to a comedic or theatrical routine, synonymous with a performer's signature act or style. Schtick can include catchphrases, exaggerated mannerisms, comedic themes, or a distinctive way of delivering dialogue or jokes.
Furthermore, schtick can also describe a particular strategy, behavior, or approach that someone uses to gain attention or achieve a specific goal. It can be seen as a shtick when someone repeatedly uses the same tactic or behavior to present themselves or their ideas.
While "schtickest" may have been intended as a variation or alteration of "schtick," it remains outside the realm of common English usage. Therefore, it is advisable to clarify the intended meaning or provide more context for a precise definition.