I was never able to find it myself. While writing I just guessed it was a gerbil or something. Glad to know you kinda found it and that this game was not just some fever dream.
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By the way, Internet Archive adds some sort of translation layer for flash animations so it can be opened in modern browsers including on your phone:
I’ve also heard it used almost exclusively in terms of “getting rid of someone/something from where it currently is”, most commonly “86 that thought/idea” in place of “forget that” or similar
It’s always been from restaurants as far as I remember. I’ve only ever heard it in restaurant contexts; i.e. “we’re 86 French fries” or something like that.
Gotta gravity feed with liquids in an open system like a funnel. An enema bag is a system you can apply pressure to regardless of gravity, so up or down with it. And then there’s solid things, which get taken in also regardless of gravity and are why you need a flared base; anything without one is just a suppository.