You don't need to be a python zealot to use the term, and abhor the practice of, monkey patching. In fact rubyists should hate it even more. There's a special, nearly unattainable state of pure ethereal rage one can only reach after 6 hours debugging some incomprehensible failure only to finally realise it's due to someone who has suddenly become your mortal enemy monkey patched ".to_json" a week ago.
"Your honey, I admit to killing him, and I'm sorry, but in my defense, he monkey patched a core method"
"Your honey, I admit to killing him, and I'm sorry, but in my defense, he monkey patched a core method"
"Case dismissed!"