pump up
phrasal verbPart ofpump
pump up — phrasal verb
1. To fill something, especially a tyre or ball, with air using a pump. Also used i
1.phrasal verb
Definition
To fill something, especially a tyre or ball, with air using a pump. Also used informally to mean making someone feel excited, confident, or full of energy.
Example
Ada stopped at the petrol station to pump up her car tyres before the long drive.
The coach gave an encouraging speech to pump up the team before the big match.