sorry ’bout that

sorry about that

Glib or lighthearted recognition of some mistake one has made, regardless of how serious (or not) the mistake may be. Sometimes said more colloquially as "sorry 'bout that." A: "Oops, sorry about that. I didn't realize you were still using this computer." B: "Oh, don't worry about it. I'll just log in on a different one." A: "You ruined my entire batch of brownies!" B: "Oh yeah, sorry 'bout that. I needed the oven, though, so I just took them out."
See also: sorry, that

sorry ’bout that

verb
See also: sorry, that