Shows contempt for tie-ups (6)

I believe the answer is:

snarls

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'tie-ups' is the definition.
(I've seen this in another clue)

I can't explain the remainder of the clue.

(Other definitions for snarls that I've seen before include "Growls angrily with bared teeth" , "Growls angrily, or tangles" , "Growls of an angry dog" , "Growls fiercely or tangles up" .)

I've seen this clue in The Guardian.

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