Taylor Swifting

When a person starts dating another person, says they are in love after a short while, breaks up with them shortly after, and continues to repeat the cycle. For reference see: Taylor Swift dating life.

Guy 1: Dude, Brent was in love with Becky last week and now he's saying she did him dirty and he's in love with Katy.
Guy 2: Bruh, Brent is Taylor Swifting.