A term used to describe weight gained throughout the COVID Pandemic due to quarantine and eating out of boredom. This is in reference to "Freshman 15" commonly used in USA and "First Year Fatties" commonly used in Australia and New Zealand to describe weight gain during first year at the university.
"I got the Pandemic Fatties" - Post-Pandemic plump person
"WOW you look like shit. Those Pandemic Fatties really got to you." - Observer of a plump person who has the Pandemic Fatties.