Dec 2009 – original post
To Jacknife – when you burst out laughing, so hard and so suddenly, you involuntarily fold in half at the waist.
Usually accompanied by a large exhale of breath.
Got it into UrbanDictionary.com
(here’s the original post and video)
The origins of the word go back to the ’09 post, and further #BenefitOfBlogging
Another time I visualized my laugh, click here to see.
(I’d forgotten about this video until last night, went and watched it, which is why this post)
