spout off

Verb

informal

Japanese Meaning

（非公式）自慢や傲慢さを伴って、誰かまたは何かについて話す / （非公式）退屈でいやらしいほど長々と話す

During the meeting, he couldn't help but spout off about his past successes, annoying everyone.

会議中、彼は過去の成功について自慢げにしゃべらずにはいられず、皆をいら立たせた。

Sense（1）

(informal) To speak (about someone or something) in a particularly boastful or arrogant manner.

Sense（2）

(informal) To speak for a tedious or exasperating length of time.

Sense（3）

(informal) To utter something in a brash, unwelcome, or unpleasant manner.

spouts off

（ present singular third-person ）

spouting off

（ participle present ）

spouted off

（ participle past ）

spouted off

（ past ）