くちごもる
kuchigomoru

Godan Verb (ru)

1. to hesitate to say; to mumble; to hem and haw; to falter

Intransitive
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: