He may give you a toot (4)

I believe the answer is:

otto

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

'he' is the definition.
(I've seen this before)

'give you a toot' is the wordplay.
'toot' can be anagrammed to 'OTTO'.
Though, I'm not sure how this is indicated.

'may' acts as a link.

Can you help me to learn more?

(Other definitions for otto that I've seen before include "____ Preminger, US film director born in Austria" , "he goes" , "Palindromic German name like Bismark's" , "German king" , "Oil made of rose petals" .)

I've seen this clue in the Evening Standard.

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