- the cause of sexual desires for the best looking Mitsutomi woman.
- an extreme release of testosterone within the bloodstream that create a steady, strong signal straight to the male home entertainment system.
- cause of the kickstand that keeps a male from rolling out of bed.
- A typo.
- "Dude, my libio was raging today, I peed on the ceiling"
- "Buttercup, please stop filling out that survery...my libio is calling your name."
- "I have a boner because of my libio. Simple as that."