From Longman Dictionary of Contemporary Englishdickydick‧y1 /ˈdɪki/ adjective British English old-fashionedWEAKweak, and likely to break or not work properlydicky heart/ticker (=a heart that is weak and not very healthy)Examples from the Corpusdicky• We didn't know the railings was dicky.Related topics: Clothesdickydicky2, dickey noun [countable]DCCa falseshirt front or collar worn under a suit or dressOrigindicky(1700-1800) Probably from the male name Dickydicky1(1700-1800) Origin unknown