鯱張 しゃちほこばったそうだ
shachihokobatta sōda

Godan Verb (ru)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of 鯱張る

1. Apparently, someone did something audacious.; It's said someone acted boldly/recklessly.

Past/Perfective
Hearsay Evidence