Someone who engages in infidelity after the consumption of wine. Characteristics include: marital disloyalty, general acts of belligerence, sacrilegious declarations, and aroused sexual prowess (often resulting in the repulsion of strangers).
Steve polished off a bottle of white Zin and proceeded to behave like a complete zinfidel, hitting on every woman in sight and dry-humping a tree after failing miserably in his attempts to woo any member of the female population.
A Zenfidel is a person who uses a Zenesis Personal Nicotine Inhaler. The Zenfidel is especially noted for their ability to wait on long lists of potentially available product.
Hey man, what's that thing you're putting in your mouth that's making huge plumes of vapor?