Derbil
A pet name for a person, often times a significant other. Other variations include derbil gerbil, derby, gerby, derbilicious, and derbmiester.
Hey Derbil gerbil, I love you.
derbiling
The act of gerbiling with two gerbils in the same orifice for sexual stimulation.
The guy from the pet store gave me two gerbils so I could enjoy a night of derbiling