Get really confused when you argue with (6)

I believe the answer is:

tangle

I'm a little stuck... Click here to teach me more about this clue!

'get' is the definition.
The definition and answer can be both to do with contact as well as being verbs in their base form.
Perhaps they are linked in a way I don't understand?

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for tangle that I've seen before include "Ravel, snarl up" , "Knotted, twisted mass" , "Confused interwoven mass" , "Jumble" , "Trap < tall guy from Perth" .)

I've seen this clue in the Evening Standard.

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