pump up

US /pʌmp ʌp/
UK /pʌmp ʌp/
"pump up" picture
1.

to increase the volume or intensity of something, especially music

:
Can you pump up the music? I can barely hear it.
The crowd started to pump up the energy as the band played.
2.

to inflate something with air

:
We need to pump up the tires before the bike ride.
He used a hand pump to pump up the inflatable mattress.
3.

to make someone feel more enthusiastic, confident, or excited

:
The coach tried to pump up the team before the big game.
She listened to upbeat music to pump herself up for the presentation.