[FredPret]

"What's your mother's maiden name?"

"42_red_banana_&"

[jszymborski]

This is why I choose random but plausible answers.

"Mother's maiden name? Cruz-Valdez"

"First Concert? Lil' Mermaid"

"City you were born in? Ubuntu"

[TJSomething]

The way I usually do this is with the random article button on Wikipedia, until I find something that sounds plausible.

[_dark_matter_]

1password team, integrate this feature please