Bumping

Bumping may refer to:

Processes

 * Bumping (chemistry), the irregular boiling of a liquid
 * Lock bumping, a lock picking technique
 * Thread bumping on an Internet forum
 * Bumping trains, a slang term used in the UK to describe fare evasion.

Places

 * Bumping Lake, Washington state, United States
 * Bumping River, which flows into Bumping Lake