Is shook a onomatopoeia

No, "shook" is not an onomatopoeia. It is the past tense of the verb "shake," which describes the action of moving something back and forth or up and down. Onomatopoeia refers to Words that phonetically imitate or suggest the sound they describe, like "buzz" or "clang." "Shook" does not represent a sound; instead, it conveys a physical action.