(US politics) The rise in support (as shown in polls) a presidential candidate receives after the national party nominating convention.

Alternative spelling of bumpoff.

(computer graphics) Rendered using bump mapping.

(UK) A hard hat. / (US) A form of baseball cap.

(computer graphics) A technique where a perturbation to the surface normal of the object being rendered is applied to each pixel, based on a texture map, prior to calculating the illumination, so as to produce a richer, more detailed surface representation.

plural of bump cap

A small sphere of solder used as a connection between devices and a printed circuit board

plural of bump key

A lockpicking tool in the form of a key of the type generally used to open a lock, on which all pins have been cut down to the lowest position, so that striking this key sharply with a hammer while applying turning force at just the right instant after the impact will 'bump' open a lock.

(vulgar, slang) To have sexual intercourse.