To vibrate or sound, especially in response to another vibration.
To have an effect or impact; to influence; to engender support.
To equalize a sound system to eliminate feedback.
To sound clearly and loudly.
To eliminate the middlemen in a circular pattern of transactions.
To make a phone call from an internal phone system to a general telephone network number.
To throw (an opponent) out of the arena, thereby winning.
A win in a fighting game obtained by throwing one's opponent out of the arena.