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1.
Noun:

The curving dashed lines on pavement leading from multiple turn lanes to an intersecting roadway, indicating the boundaries of the turn lanes through the intersection. Often blatantly ignored by inattentive motorists, leading to avoidable side-impact collisions.
Why do you guys call them idiot skips anyway? Oh yeah, I get it now.
by Vanishing Hiitchhiker February 16, 2011