bump
n. countablen. a small, hard area on your skin that is raised, often after you hit something. It can also be a small hill or an uneven part on a flat surface.
n. a protuberance on a surface, often resulting from an impact or as a natural irregularity. In digital contexts, it refers to a post intended to move a thread to the top of a forum list.
I have a small bump on my head from the door.
The car jolted as it hit a large bump in the middle of the gravel road.
While the initial impact left only a minor bump, the structural integrity of the fuselage required a thorough inspection to ensure no internal hairline fractures had occurred.
From Early Modern English bump (“a shock, blow from a collision”), probably of North Germanic origin; compare Danish bump (“a thump”), Danish bumpe (“to thump”), Old Danish bumpe (“to strike with a clenched fist”), all probably of imitative origin. Apparently related to Middle English bumben, bummen (“to make a hollow noise”), Dutch bommen (“to hum, buzz”), German Low German bumsen (“to bump, push”), German bummen (“to hum, buzz”), Icelandic bumba (“drum”). More at bum, bumble. Compare also bomb.
From Early Modern English; onomatopoeic.
Commonly used with the verb 'get' or 'have' when referring to physical injuries.