more commonly known as "Neon underbody kit" it is a series of 4+ neon tubes bolted to a cars frame to give the effect of a car gliding along on a glowing surface. If you want a good example, watch the Fast and The Furious a few times.
generally used in internet talk, means to express an emotion of some sort is generally preceeded and followed by a *, or ::, or <> to show a feeling or emotion you are having while conducting written conversation.
No, not the SUV, an extremely pleasureable type of oral sex which involves the female humming to create a vibrating sensation in the penis during oral sex.