Heath Robinson
Definition 1 of 1
Pro Tip 1/3Cultural Origin
Understanding 'Heath Robinson' also means knowing it's named after a British cartoonist known for drawing complicated machines. 
The artist's Heath Robinson-like inventions always get a laugh.
Pro Tip 2/3Metaphorical Use
It can describe a process or system, not just physical machinery, that is overly complex. 
Their hiring process was a Heath Robinson affair, with too many unnecessary steps.
Pro Tip 3/3Informal Tone
It's typically used in informal contexts to express humor or frustration at complicated solutions. 
I can't believe you set up this Heath Robinson alarm clock!