1. verb, to silence. On an audio console, the equivalent of a DBO button on a lighting desk. 2. noun. Thing that some horn players shove up their....bells. Show contributors This page has been seen 1,141 times. Created by derekleffew on Jan 5, 2018
1. verb, to silence. On an audio console, the equivalent of a DBO button on a lighting desk. 2. noun. Thing that some horn players shove up their....bells.