Kludge
Spaghetti Code · Jugaad
A workaround or quick-and-dirty solution that is clumsy, inelegant, inefficient, difficult to extend and hard to maintain, yet nonetheless is operational.
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Origin
slang term that originated in the computer programming community in the 1960s. The term was originally used to describe a poorly designed or hastily assembled system or program, often one that was patched together from existing parts rather than being built from scratch. The origins of the term are uncertain, but it may have been derived from the German word "klug," which means "smart" or "clever."