オドオド
odōdo

Suru Verb
To-Adverb

1. timidly; nervously; hesitantly; trembling (with fear); fearfully; anxiously

Onomatopoeia
その たばかりの はおどおどして くちごもった。
sono kitabakarino kowa odōdo shite kuchigomotta.
The new boy had a nervous stammer.
Other forms: