Amphibian kicked through the air? (4)

I believe the answer is:

toad

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'amphibian' is the definition.
(toad is a kind of amphibian)

I can't explain the rest of the clue.

(Other definitions for toad that I've seen before include "Warty creature" , "Stout-bodied amphibian" , "driver of reckless repute" , "Ugly creature, jewel in head (AYLI)" , "Dangerous driver" .)

I've seen this clue in The Independent.

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