[trynewideas]

"Certs" is a brand of breath mint.[1]

[1]: https://en.wikipedia.org/wiki/Certs

[ubermonkey]

I thought, when I remembered the joke, that i hadn't seen them for a while -- but I was still surprised to see, on the wiki page, that they've been off the market since 2018.

[babyshake]

"Let that sink in..."