You're Having the Time of My Life Lyrics

Lyric discussion by Half Cab 

Cover art for You're Having the Time of My Life lyrics by Jets to Brazil

I think this is more about screwing up a relationship to the point where she leaves you, not the other way round. I think the second verse sums this up perfectly:

"when you say my name to me like some amusing piece of food between your teeth then i will know what it's completely over won't you say my name to me"

This suggests she is more angry at him than the other way around...