unobtainium

the universal scapegoat fictional “metal” that sic-fi filmmakers love to use when they are out of creative juices.
“what kind of metal is this?”…
“well, it’s real name has thirty-seven syllables. i just call it un-btainium.”
an imaginary unavailable material used humourously to solve otherwise impossible problems; an item of unaffordable price.
of course, it would have to be made of pure un-btainium to work.
any nonexistent material
a ship like that would have been made of un-btainium
the fictional element of a (person’s) personality which makes them out of reach for either friendship, courtship, or a relationship.
she is 100% un-obtainium. she will never get involved with you.
the rarest of all elements unexistent everywhere in today’s world you’ll never be able to aquire some n-body has any at all it’s undoable
as the chief procurator here, i’ve searched the net, scoured the collectors inventories boggled my mind far and wide, but struck out bro your frosted, translucent, illumuinated silk-ma~che 12vdc /12ft long stringer of dingo b-lls must have been made of un-btainium they’re nowhere to be found d-mn!
term used by engineers and hobbyists to define a material that is extremely hard to obtain.
-sp-ce rockets are mostly made of un-btainium.
-there are so many conflicts in africa due to the presence of un-btainium in the ground.
-your cnc machine will crash only when you machine this one piece of un-btainium. of course, you do not have enough to make a new piece.

a piece of sh-tanium that got broken will magically turn into un-btainium if you look for a replacement (thus making it extremely expensive, even if you found one)
james cameron’s autograph
james cameron only gives his un-btainium for fan money.
referring to a person, place or thing that will never happen.
“he took her out to dinner three times, but she turned out to be un-btainium.”