This sounds to me like a failure to apply the old adage;

'Please Engage Brain Before Operating Mouth!'

A system I regularly forget to employ. I only open my mouth to change feet, too.

Your best tactic would have been to thank her whilst laughing helplessly.
Were you perchance singing Irish songs? I have friends who are not fond of my singing 'their' songs in a faux accent. I thought I was entertaining them, but I found I was irritating them!