mispump

From mis- +‎ pump.

mispump (third-person singular simple present mispumps, present participle mispumping, simple past and past participle mispumped)

1. To pump incorrectly.
   • 2003, Richard D. O'Brien, Fats and Oils, page 471:

     some other problem, such as a mispumping into the supply tank, addition of an additive to the wrong product, a leaking tank coil, product filtration problems, and others.

   • 2013, Andy Remic, The Iron Wolves:

     You will die, Kiki, coughing your bloody mispumping heart up through your mouth, to vomit it on the floor at your bloodspattered feet.

   • 2017, Monoj Gupta, Practical Guide to Vegetable Oil Processing, page 444:

     The mispumping report is used when a freshly formulated product has been made with incorrect oil that cannot be used in the original brand, and has to be blended or reformulated.

   • (Can we date this quote?), “F014620”, in California. Court of Appeal (5th Appellate District): Records and Briefs, page 2:

     In this case, the squeeze job was mispumped, resulting in the concrete being poured at the wrong level and a tool known as a packer being sealed into the tubing.

mispump (plural mispumps)

1. An act of mispumping.
   • 1998, Nick Schade, The Strip-Built Sea Kayak, page 108:

     It's important that you get the mix ratio correct for the brand of epoxy you are using, and a burp or mispump may result in an inaccurate measurement that can throw off the ratio.