Shout out noisily (4)
I believe the answer is:
bawl
'shout out noisily' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for bawl that I've seen before include "yell" , "Shout; sounds like dance" , "Supporter of Charles I" , "Loud cry" , "What baby does" .)