Well, now, I would say that “one person at a time.”
Won’t be buying this one.
Agreed. I bought the oxford comma shirt and it literally started a 5 minute animated discussion about the proper uses for the comma. commas. Whatever. I don’t really want to walk around w/ a shirt that starts arguments.
Much agreed. Although the rueful-headshake-and-grin-in-passing qualifies as a “discernment test” passing grade, that quickly becomes disappointing too (all those blank looks).
seems like the editor was off duty today, as this featured tee and the monkey chat both had errors. i suppose it is saturday 
This is exactly how a German pussy cat would say it…“at the time”. My partner is German/Hungarian. My pussy needs this shirt!
This is exactly how I FEEL. 
You DO understand this shirt, right??!
You mean Caturday.
Also:
We corrected this to read “One at A time”. If you ordered it when it was “One at THE time” you can contact customer service for a replacement!