It can be used as a noun, adjective, expletive, or anything else.
Good day, gurflafpagon! (As a greeting)

Oh gurflafpagon! (As an expletive)

Did you see how big my gurflafpagon is? (As an adjective)

His gurflafpagon looks well. (As an adjective)
by Your name is already being February 3, 2013
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