A bump is an area that bulges out, like a pregnant woman's stomach. To bump someone is to knock into them.
To strike, as with or against anything large or solid; to thump; 
Noun
 an impact (as from a collision); "the bump threw him off the bicycle"
Noun
 something that bulges out or is protuberant or projects from a form
Noun
 a lump on the body caused by a blow
Verb
 knock against with force or violence; "My car bumped into the tree"
Verb
 remove or force from a position of dwelling previously occupied; "The new employee dislodged her by moving into her office space"
Verb
 dance erotically or dance with the pelvis thrust forward; "bump and grind"
Verb
 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"
Verb
 assign to a lower position; reduce in rank; "She was demoted because she always speaks up"; "He was broken down to Sargeant"
v. t.
 To strike, as with or against anything large or solid; to
   thump; as, to bump the head against a wall.
v. i.
 To come in violent contact with something; to thump.
n.
 A thump; a heavy blow.
n.
 A swelling or prominence, resulting from a bump or blow; a
   protuberance.
n.
 One of the protuberances on the cranium which are associated
   with distinct faculties or affections of the mind; as, the bump of
   "veneration;" the bump of "acquisitiveness."
n.
 The act of striking the stern of the boat in advance with the
   prow of the boat following.
v. i.
 To make a loud, heavy, or hollow noise, as the bittern; to
   boom.
n.
 The noise made by the bittern.
Bump
Bump
Bump
It had upon its brow A bump as big as a young cockerel's stone.3.
Bump
As a bittern bumps within a reed.
Bump
To strike, as with or against anything large or solid; to thump; 
To come in violent contact with something; to thump.
A thump; a heavy blow.
To make a loud, heavy, or hollow noise, as the bittern; to boom.
The noise made by the bittern.
Usage Examples
The business that people do in LA on the social level is amazing. You go to a restaurant, bump into this guy or that guy. The next day you get a call, and they want you in their movie.
Living the past is a dull and lonely business looking back strains the neck muscles, causing you to bump into people not going your way.
Misspelled Formbump, vbump, gbump, hbump, nbump, bump, vump, gump, hump, nump, ump, bvump, bgump, bhump, bnump, b ump, byump, b7ump, b8ump, biump, bjump, bymp, b7mp, b8mp, bimp, bjmp, buymp, bu7mp, bu8mp, buimp, bujmp, bunmp, bujmp, bukmp, bu,mp, bu mp, bunp, bujp, bukp, bu,p, bu p, bumnp, bumjp, bumkp, bum,p, bum p, bumop, bum0p, bumlp, bumo, bum0, buml, bumpo, bump0, bumpl.
Other Usage ExamplesThey very seldom let me lose my cool. They made me like I was Polly Perfect, which was ridiculous so that when I bump into kids on the street they'd say 'I wish my Mom were like you.'
Successful entrepreneurs find the balance between listening to their inner voice and staying persistent in driving for success - because sometimes success is waiting right across from the transitional bump that's disguised as failure.