- anything overfull
- (computing) a program that has been worked on by many poor programmers and is now a mess
- (electronics) An electronic signal that is normally high or on, but goes low for a very short period and then returns to high. A low going spike.
- (geology) A hammer sometimes used by Geologists to chop rock samples from boulders for examination.
- (welding) A hammer used by electric welders to knock off slag off of the welded joint. Such blivet hammers sometimes have springs for handles instead of solid wood or plastic to lessen shock to the human hands.