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1.
(n)

Originally invented by a Darren M. Canady (first recipient of the Darren M. Canady Sassypants Award for his usage of the word, among others), the word 'bloobertifoo' is used as a replacement for a forgotten proper noun.
"She gave the dungeon keys to bloobertifoo... that weird kid with the long hair and no shoes."
by Scotch 'n Soda Theatre April 26, 2004