“There’s actually a science behind all your mis-perceived song lyrics — it’s a phenomenon called mondegreens and it happens all the time.
“Some Swift fans think the song’s line ‘got a long list of ex-lovers’ is actually ‘all the lonely Starbucks lovers’ including, apparently, her mom.”
https://www.yahoo.com/health/even-taylor-swifts-mom-got-that-blank-119948277022.html