すっぼけたそうだ
素っ惚けたそうだ
su' boketa sōda

Ichidan Verb
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of すっとぼける

1. Apparently oblivious.; Seemed clueless.; Acted innocent.

Past/Perfective
Hearsay Evidence
Usually Written in Kana