Yeet is slang, so not proper English. But it also is a very popular newer word often used online, especially by many of those who like to comment on the Verbs1 website.
Yes, the word yeet can be used as a verb. The verb forms are yeet (root), yeets (third person singlular), yeeting (present participle), and yeeted (past participle).
The word yeet takes on various meanings but when used as a verb (and not as an interjection), it often means strongly throwing or quickly moving.
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