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 long trip to... Fuckslice? - off of the main road...
(Person)
Oh I remember him, his name was... John... Fuckslice.
