* "Slew foot" as a slang term: It's possible this is a slang term, but without more context, it's hard to decipher its meaning.
* "Slew" as a verb: "Slew" can be used as a verb meaning to turn or swing something quickly. It's possible you might be thinking of a "slewing foot," which could refer to someone with an unusually fast or fluid foot movement.
* "Club foot" as a medical condition: "Clubfoot" is a birth defect that affects the shape of the foot. It's possible "slue foot" is a mispronunciation or misspelling of "clubfoot."
To help me understand what you mean, please provide more context:
* What were you reading or hearing when you came across this term?
* What is the situation where this term is being used?
With more information, I can provide a more accurate answer.