Looks like a juice in a bottle. Oh fuck, there's alcohol in them, well, lots of it, and it's called whiskey! We could call it fuckjuice. Everybody at the bar table are getting fuckjuice poured into the same type of glass used for drinking apple juice.
An explicit generalised name for something (be it person, place, object or otherwise) you can't remember the actual name of at the moment in time, during a conversation.
(Object)
Dave, pass me the uh... uhm... Fuckslice.
(Place)
Yeah, we took a longtrip to... Fuckslice? - off of the main road...
(Person)
Oh I remember him, his name was... John... Fuckslice.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).