Written by Benny Andersson, Björn Ulvaeus & Stig Anderson, this song appeared on ABBA's 1975 self-titled album. According to the Mamma Mia Songfacts, ABBA's manager Stig Anderson would often come up with titles that singers Ulvaeus and Andersson would write lyrics around, and this is an example of that. The phrase "Mamma Mia" is an Italian saying that literally means "My Mother" and is used to express surprise.
I've been cheated by you ,since I don't know when
So I made up my mind, it must come to an end
Look at me now, will I ever learn
I don't know how, but I suddenly lose control