Crossword Genius

Somewhat boorish cry? (3)

Ross

I believe the answer is:

boo

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

'cry?' is the definition.
(I know that boo is a type of cry)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for boo that I've seen before include "Exclamation of disapproval" , "Catcall" , "Cry of disapproval as at villain" , "Shout of dislike" , "I don't like that!" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app