To excessively increase one's efforts. This can be good or bad.
When he started ramping up, I knew it was time to beat feet & get the Hell outta there! Whilst at the concert, we started ramping up as the fevered pitch of hearing Kickass Rock Music really got our adrenaline going!
A reference from Ben-Hur (1959), as the galley captain urged the slaves to row their fastest. When he did, the galley drummer increased tempo, and the soundtrack intensified.
It's time for get ready for school, kids. "Ramming speed!"