an american freight train with a black boxcar with yellow all caps lettering that says "DO NOT HUMP"
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[–] 10 points 14 hours ago (4 children)

I mean ok fine but what is the car actually for and why can't I hump it?

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  • [–] 12 points 12 hours ago

    Apparently humping in train terms refers to the act of using a small hill at the decoupling point to force the cars apart using gravity. Supposedly this is hard on the cars and their contents especially when coming to a stop afterward.

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