Initially rude name to make you cry (3)

I believe the answer is:

sob

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'cry' is the definition.
(I know that sob is a more specific form of the action cry)

I can't explain the remainder of the clue.

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(Other definitions for sob that I've seen before include "Weep convulsively" , "Weeping gasp" , "Wep convulsively" , "Weep noisily" , "Cry loudly" .)

I've seen this clue in the Evening Standard.

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