Kakabollocks
Kakabollocks is the swearword you use when you're too tired to think of anything better, but still want to be a little bit dramatic.
I said 'kakabollocks' when my dog woke me up at 2 a. m.
My sister said 'kakabollocks' when she failed her math test.
I texted my friend 'kakabollocks' when he broke my phone.