ramp something ↔ up phrasal verb ( see also ↑ ramp )
1 . to try to persuade people that a company’s ↑ share s are worth more than they really are:
To ramp up a share price during a takeover bid is unacceptable.
2 . if a company ramps up an activity, it increases it:
Producers can quickly ramp up production.
—ramp-up noun [countable usually singular]