Vamping to describe a musical technique is used primarily by, you guessed it, musicians and music aficionados.

"Take Five" was composed by Paul Desmond in 5/4 – a defiant and revelatory time signature. This is evened by the constant vamp figure from Brubeck throughout, despite some whimsical drum solos from Morello. Get down and swing to Take Five with Jazz FM #TimeOut #LongPlayer pic.twitter.com/XjfOHWb5TK

— Jazz FM (@jazzfm) December 26, 2019

Vamping, for stalling while speaking in public, is often used pejoratively. The term implies that the person has run out of new things to say. However, vamping is also used neutrally or positively to describe, for instance, someone buying time when getting an audience ready for the next speaker.

President Clinton is running late. The current speaker is vamping.

— Audreya (@audcole) April 23, 2010

Actors and models are also said to vamp for the camera—making up poses, small-talking, and the like while tape is rolling but before any of the action begins, because there’s no script, or just to get some more candid content.

Ashley Greene and co-star Donna Benedicto both shared snaps of them vamping in their Christmas sweaters on the set of CHRISTMAS ON MY MIND, filming now in Vancouver for Hallmark Movies & Mysteries. pic.twitter.com/vALilfxIck

— Ho! Ho! Holiday Viewing! (@SleepyKittyPaw) October 1, 2019

Finally, vamping, for staying up all night (while tweeting and texting), is generally used by or associated with young people. After all, pulling all-nighters is typically a young person’s game. Someone who vamps this way can be called a vamper.

re vamping this twitter after finals week .. yeah

— amanda🏹 (@paperbackstorms) May 5, 2020

More examples of vamping:

“Vamping harmony can be a good choice if your goal is to focus attention on other elements of a song, such as lyrics, or rhythmic groove.”
—Steve Hogan, Pandora, October 2013

“At one point [in Season 3 of the show Dear White People, the character] Sam is working on her film thesis, and her process includes milling around her large network of acquaintances and capturing random conversations on camera. She is repeatedly accused of stalling, or ‘vamping,’ ….”
—Shannon Miller, A.V. Club, Juy 2019

Did you mean damping?