To run past the end of an array, list or medium after stepping through it - a good way to land in trouble. Often the result of an off-by-one error. Compare clobber, roach, smash the stack.

In addition suitable contents:
[ = ] [ af ] [ am ] [ an ] [ ar ] [ arc ] [ array ] [ as ] [ ash ] [ b ] [ bb ] [ be ] [ by ] [ C ] [ ch ] [ ck ] [ cl ] [ clobber ] [ du ] [ ed ] [ er ] [ error ] [ es ] [ fi ] [ file ] [ gh ] [ h ] [ hr ] [ id ] [ il ] [ in ] [ is ] [ it ] [ la ] [ Lex ] [ li ] [ list ] [ lt ] [ ma ] [ mo ] [ mod ] [ module ] [ mp ] [ na ] [ ne ] [ ng ] [ O ] [ off-by-one error ] [ om ] [ pa ] [ ph ] [ ping ] [ query ] [ rc ] [ re ] [ ro ] [ roach ] [ ru ] [ run ] [ se ] [ sh ] [ sm ] [ smash the stack ] [ st ] [ stack ] [ su ] [ T ] [ th ] [ to ] [ tr ] [ ug ] [ um ]