kicking kuh

From the shape of the letter (resembling a person kicking).

• (UK) IPA^(key): /ˈkɪkɪŋ ˈkə/

kicking kuh (plural kicking kuhs)

1. (British, childish) The letter K, as distinct from the letter C ("curly cuh").
   • 2014, Dave Gorman, Too Much Information, Random House, page 181:

     Or did it start as Kill It Bang before they decided to soften it slightly by changing the kicking kuh to a curly cuh?

   • 2018, Alan R. Jones, Best Fit Lines & Curves: And Some Mathe-Magical Transformations, Routledge, page 174:

     (Sometimes these are spelt with a kicking ‘kuh’ rather than a curly ‘cuh’ as ‘homoskedasticity’ and ‘heteroskedasticity’.)