Any gadget or thing whose actual name is unknown or has been forgotten. Pass me that fakus thing over there. I need it to finish this repair.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a gadget; something with no name or a forgotten name. This little fakus goes right in here.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.