The phrase "short elevator" is referring to a situation where there isn't much time or distance to go before reaching a destination or accomplishing something. It means that something will be done or achieved quickly. Full definition
Now that you have your unique identity and value proposition as an agent, that needs to be turned into a logo, slogan and short elevator pitch. (remonline.com)
But, having a good, well - considered, SHORT elevator speech is critical to job search success! (careersolvers.com)
The gist is showing and telling their product idea with a short elevator pitch presentation. (edutopia.org)