plural of
thassie (thasmin shipper)
Doctor Who terminology
Some homophobic person called thasmin shippers "thassies" on twitter to diss them. They shrugged and called themselves thassies. It's established now, and once again the thassies win yall.
girl: wow, check this out, mate! 248 thirteenxyaz fanfics on ao3 ... the thassies work hard!
Doctor Who termology.
The most wholesome and amazing people you will ever meet.
Someone who ships the thirteenth Doctor and Yasmin Khan (also known as: thasmin).
person 1: ugh, these thassies on twitter are wild
person 2: they're shipping the right people tho
person 1: you a thassie too?
person 2: of course bruv. Best ship ever