Scratch Your Own Itch
Verb Phrase · Slang & Abbreviations
Definitions
To build or improve something because you personally need it, rather than because it was assigned externally. In engineering slang, the phrase often describes the authentic starting point of useful internal tools and open-source projects.
In plain English: To build something because it solves a problem you personally have.
Example: "The CLI existed because one engineer scratched his own itch around painful log triage, and the rest of the team later adopted it because the pain was shared."