Crossword Genius

Showed surprise at description of the motor cyclist (7)

Ross

I believe the answer is:

goggled

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

'showed' is the definition.
The answer and definition can be both to do with perception as well as being past participle verbs.
Maybe you can see a link between them that I don't see?

I don't understand the remainder of the clue.

Can you help me to learn more?

I've seen this clue in The Irish News.
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