1. To add plaster or a similar substance over a surface in order to make it even. A noun or pronoun can be used between "dub" and "out." You really should have dubbed the wall out before you started painting.
2. To add a dubstep beat to a song or remix a song in the style of dubstep. A noun or pronoun can be used between "dub" and "out." I just can't believe someone dubbed out "Bohemian Rhapsody." What sacrilege. The studio wants to dub the track out a bit more.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.