Top Definition
when riding shotgun with somebody, who, just for a split second, takes their eyes off the road, looks back and realizes they drifted 2 feet out of their lane and proceeds to jerk the car back in to position so violently that your neck suffers whiplash. just like riding a rollercoaster, it can also be done in smaller jerks that, by the end of your ride makes you look for the first bush to purge behind.
boy #1 -dude, you just see a ghost?
boy #2 - no bro, i rode shotgun with Becky in the roadcoaster!
boy #1 - oh, shit..bathroom is down the hall, 1st door to your left!
by djxtc814 March 16, 2011
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