ring out

Short definition from Wiktionary

Verb

1. 1
   To sound clearly and loudly.
2. 2
   To make a phone call from an internal phone system to a general telephone network number.
3. 3
   To equalize a sound system to eliminate feedback.
4. 4
   To eliminate the middlemen in a circular pattern of transactions.
5. 5
   To throw (an opponent) out of the arena, thereby winning.

Noun

1. 1
   A win in a fighting game obtained by throwing one's opponent out of the arena.