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come upon, as if by accident; meet with; "We find this idea in Plato"; "I happened upon the most wonderful bakery not very far from here"; "She chanced upon an interesting book in the bookstore the other day"
an impact (as from a collision); "the bump threw him off the bicycle"
something that bulges out or is protuberant or projects from its surroundings; "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"
a lump on the body caused by a blow
knock against with force or violence; "My car bumped into the tree"
remove or force from a position of dwelling previously occupied; "The new employee dislodged her by moving into her office space"
dance erotically or dance with the pelvis thrust forward; "bump and grind"