According to Merriam-Webster:
Jerry-built means “built cheaply and unsubstantially.”
Jerry-rigged means “organized or constructed in a crude or improvised manner.”
Jury-rigged means “constructed or arranged in a makeshift fashion.”
Where "jury-rigged" is the oldest such construction, and was originally a nautical term/useage.
'Jerry-built' vs. 'Jury-rigged' vs. 'Jerry-rigged'
Three terms, three strong options.
www.merriam-webster.com
