A son-of-a-bitch recruitiment company, that gathers employee souls and feeds on employee blood. And just to make sure the blood-loss doesnt give an employee euphoria, Adecco makes sure all social benefits are taken away. Adecco also loves to fire people on the last day of the employee test period, making some kind of lame-ass excuse like "We did not realize that you were fired from your pervious job since today".

As a verb - to adecco someone:
To live off someone while treating them like crap.
Person1: Hey man, did you see how Joe's wife is treating him?
Person2: Yea, poor sod, she is being a total adecco to him!
by Stk20 October 28, 2011
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