vampatu
Noun: A be there moment; a moment in the past which cannot be conveyed satisfactorily to those who were not present at the time. Any attempted conveyance of anecdote will meet with the tumbleweed effect, in other words a horrible awkward silence.
Jon: Oh yeah it was so funny in history today, James said 'LEEEEEICSTER SQQQUUUARE', it was so hilarious.
Mark: ...
Jon: Um.. or maybe not... it was a vampatu.
Mark: ...
Jon: Um.. or maybe not... it was a vampatu.