on the horn (0 synonym found)

We don't have any synonyms for on the horn yet.

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on the hoof  ·  on the turn  ·  on the hook  ·  on the town  ·  on the hour  ·  on the hop

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Definition of on the horn:

(adj) : (idiomatic) On the telephone.
Definition of on the horn:

(adj) : (idiomatic) On the telephone.
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