To do something that is (or could be perceived as) surprising, daring, or perhaps inappropriate. The phrase is often used before a question to soften it. May I be so bold as to ask for a second helping? I'd like to propose a different plan, if I may be so bold.

To do something that is (or could be perceived as) surprising, daring, or perhaps inappropriate. The phrase is often used before a question to soften it. May I make so bold as to ask for a second helping? I'd like to propose a different plan, if I may make so bold.