しゃちほこばらせられる
鯱張らせられる
shachihokobaraserareru

Ichidan Verb
Godan Verb (ru)

The causative-passive form (is made to be done) of しゃちほこばる

1. To be made to grin/smile widely; To be forced to grin/smile widely

Causative-Passive
Usually Written in Kana