Definition of pump something up in English:
informal Turn up the volume of music.
- He never even steps into the mela but instead parks his motor at the entrance and pumps the music up loud.
- Seems that the music is pumped up so loudly in the mix than it drowns out everything, and since this is a movie where people speak way too softly, lots of dialogue and double crossing plot machinations are missed.
- Yet somehow the movie does have fans, and, bless them, at least they can pump the music up with this release.