chop and change

:  to cut into or sever usually by repeated blows of a sharp instrument

:  to weed and thin out (young cotton)

:  to cut as if by chopping

:  a forceful usually slanting blow with or as if with an ax or cleaver

:  a sharp downward blow or stroke

:  a small cut of meat often including part of a rib — see lamb illustration

:  to change direction

:  to veer with or as if with wind

:  a seal or official stamp or its impression

:  a license validated by a seal

:  a mark on goods or coins to indicate nature or quality

:  to make different in some particular :  alter

:  to make radically different :  transform

:  to give a different position, course, or direction to

:  the act, process, or result of changing: such as

:  alteration

:  transformation