What is the meaning of the sentence "my heart did a flip flop"?
Does it mean that "my heart skipped a bit"?

Question

Answer

Yes, it does mean just that. When you are taken by surprise, its like your heart skipped a beat. A small flurry of feeling, pleasing and nice.

Good luck, Skype me if you choose more lessons
Theresa

Answer

Yep, same meaning as "my heart skipped a beat".  You were excited about something and your heart beat strangely.