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1.
A person that recycles
-Hey that guy recycles,huh.
-Yeah his a recyclable
by brony? December 15, 2011
 
2.
mostly used by women to refer to a casual sexual partner they can call up for a booty call any time, regardless of her relationship status.

It's no-strings, no-emotions, hardcore sex-only.

Men often use the term fuck buddy for the same thing.

A more gender neutral term might be friends with benefits
Karen: "Damn, another lousy boyfriend history, I think I need to call my recyclable, Rico, to get myself grounded before hunting up a new boyfriend.
by cyberpope67,BC,Canada July 31, 2009