A 4x4 vehicle. This term is used when a woman is driving one of these types of vehicle. So called because it gives her a feeling of strength, protection, and security that she would have if with a man. It also makes her taller than the other drivers so she can feel superior and more masterful than other drivers i.e., masculine.

If there is a man in the passenger seat, you'd really better watch out as she will be feeling double-masculine.

"Well there goes another 4Wheel Man driving a mile up the road to pick up the kids from school. They will get straight into the 4Wheel Man in order to be protected from the perverts waiting in the bushes".
by Missy M October 6, 2005
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