What is the meaning of Ring_out?

To sound clearly and loudly.

To make a phone call from an internal phone system to a general telephone network number.

To equalize a sound system to eliminate feedback.

To eliminate the middlemen in a circular pattern of transactions.

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

To throw (an opponent) out of the arena, thereby winning.

Source: wiktionary.org