bump

Short definition from Wiktionary

Noun

1. 1
   A light blow or jolting collision.
2. 2
   The sound of such a collision.
3. 3
   A protuberance on a level surface.
4. 4
   A swelling on the skin caused by illness or injury.
5. 5
   One of the protuberances on the cranium which, in phrenology, are associated with distinct faculties or affections of the mind. Also (dated, metonymic) the faculty itself
6. 6
   The point, in a race in which boats are spaced apart at the start, at which a boat begins to overtake the boat ahead.
7. 7
   The swollen abdomen of a pregnant woman.
8. 8
   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.
9. 9
   A temporary increase in a quantity, as shown in a graph.
10. 10
    A dose of a drug such as ketamine or cocaine, when snorted recreationally.
11. 11
    A disco dance in which partners rhythmically bump each other's hips together.
12. 12
    In skipping, a single jump over two consecutive turns of the rope.
13. 13
    A coarse cotton fabric.
14. 14
    A training match for a fighting dog.
15. 15
    The jaw of either of the middle pockets.
16. 16
    Music, especially played over speakers at loud volume with strong bass frequency response.
17. 17
    A short, self-promotional spot on a radio or television station.
18. 18
    A reassignment of jobs within an organization (for example, when an existing employee leaves) on the basis of seniority.
19. 19
    In the game of khanhoo, the act of claiming a newly discarded card when it is not one's turn, permitted when one can use the card to form a meld other than a sequence.
20. 20
    A minor problem or difficulty.
21. 21
    A sudden movement of underground strata, preceded by a characteristic sound.
22. 22
    The breeding call made by the bittern; a boom.

Verb

1. 1
   To knock against or run into with a jolt.
2. 2
   To move up or down by a step; displace.
3. 3
   To post in an Internet forum thread in order to raise the thread's profile by returning it to the top of the list of active threads.
4. 4
   To suddenly boil, causing movement of the vessel and loss of liquid.
5. 5
   To move (a booked passenger) to a later flight because of earlier delays or cancellations.
6. 6
   To move the time of (a scheduled event).
7. 7
   To pick (a lock) with a repeated striking motion that dislodges the pins.
8. 8
   To make a loud, heavy, or hollow noise; to boom.
9. 9
   To spread out material so as to fill any desired number of pages.
10. 10
    To assassinate; to bump off.
11. 11
    To displace (another employee in an organization) on the basis of seniority.
12. 12
    To anger, irritate.
13. 13
    In the game of khanhoo, to claim a newly discarded card when it is not one's turn, permitted when one can use the card to form a meld other than a sequence.
14. 14
    To play music through a speaker, often loudly and in public.
15. 15
    To encounter and stop, to catch.
16. 16
    To move while bumping up and down, as a cart or car does on rough ground.
17. 17
    Of a bittern, to make its characteristic breeding call.

Interjection

1. 1
   Posted in an Internet forum thread in order to raise the thread's profile by returning it to the top of the list of active threads.
2. 2
   Alternative form of bump.

Proper noun

1. 1
   A surname.