しゃべりまくる

expression, godan verb (-ru)

talk on and on; talk one's head off

Emphatic compound of 喋る (to chat) and まくる (to do something continuously or intensely). Conveys talking nonstop, often excessively or excitedly.

• 彼かれは昨日きのうのパーティーのことをしゃべりまくった。

  He talked on and on about yesterday's party.

• 電でん話わで友とも達だちとしゃべりまくって、気きづいたら2時じ間かん経たっていた。

  I talked my head off with a friend on the phone, and before I knew it two hours had passed.