Another contribution to the X happens file (previous postings here and here), from the Mental Floss people:

Like Sit happens, Ship happens is very close phonologically to Shit happens ‘bad things happen’. And the image has the extra virtue of depicting a disaster.
August 19, 2011 at 12:52 pm |
From Melinda Shore on Google+:
August 19, 2011 at 3:06 pm |
From Daniel Elwell on Google+:
August 14, 2013 at 6:27 am |
[…] blog: to a Kraft campaign with Zesty Anderson Davis; to the “ship my pants” ad; and to “Ship happens” (with links to other X happens […]