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1.
the act of smelling odours which are not actually lingering.
is someone cookin' bacon up in this or am i smellucinating?
by Darcy MacDonald March 23, 2006
 
2.
To smell something that is not really there. A nasal hallucination as it were...
'Smellucination', 'Smellucinated', 'Smellucinator' etc
'Tony pull your self together and stop smellucinating! There is no salami here!'
by buttonbean July 12, 2008