TLAs
It's all in the usage. Many atime I've have to relearn a TLA cuz it had a different meaning at a different worksite. With Bio's background, T&A could very well be the accepted acronym for Tonsils and Adenoids. And she's a tad too young to have watched the T&A shows from the 60s & 70s.
;-)
A good friend will come and bail you out of jail ... but, a true friend will be sitting next to you saying, "Damn...that was fun!"