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A light blow or jolting collision.
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The sound of such a collision.
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A protuberance on a level surface.
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A swelling on the skin caused by illness or injury.
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One of the protuberances on the cranium which, in phrenology, are associated with distinct faculties or affections of the mind. Also (metonymically) the faculty itself
example
the bump of veneration; the bump of acquisitiveness
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The point, in a race in which boats are spaced apart at the start, at which a boat begins to overtake the boat ahead.
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The swollen abdomen of a pregnant woman.
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A post in an Internet forum thread made in order to raise the thread's profile by returning it to the top of the list of active threads.
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A temporary increase in a quantity, as shown in a graph.
example
US presidential nominees get a post-convention bump in survey ratings.
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A dose of a drug such as ketamine or cocaine, when snorted recreationally.
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The noise made by the bittern; a boom.
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(preceded by definite article) A disco dance in which partners rhythmically bump each other's hips together.
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In skipping, a single jump over two consecutive turns of the rope.
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A coarse cotton fabric.
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A training match for a fighting dog.
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The jaw of either of the middle pockets.
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Music, especially played over speakers at loud volume with strong bass frequency response.