Scoff at bear repeatedly (4-4)
I believe the answer is:
pooh-pooh
'scoff' is the definition.
(thesaurus)
'at bear repeatedly' is the wordplay.
'bear repeatedly' can mean two replacements for 'bear'.
'at' means one lot of letters go next to another.
'bear' becomes 'pooh' (Winnie the Pooh).
'bear' becomes 'pooh' (Winnie the Pooh).
'pooh' next to 'pooh' is 'POOH-POOH'.
(Other definitions for pooh-pooh that I've seen before include "Dismiss with contempt" , "Dismiss as foolish" , "Dismiss (something) rather contemptuously" , "Make dismissive sounds, ridicule repetitively?" , "Disparage - put through hoops" .)