search tangent
When using an online search engine, you see something more interesting that causes you to follow trails unrelated to what you came to search for. Sometimes you forget what you meant to look up in the first place.
Pete: Did you find those instructions on how to make functional battle spears from old rake handles?
Me: Uh, no. Sorry. I went on a search tangent and forgot. But check out these pix of Britney.
Me: Uh, no. Sorry. I went on a search tangent and forgot. But check out these pix of Britney.