unhappienate
See happienate. It's the opposite.
I hate Jill, and when I saw her delighted that John asked her out, I came up with a devious plan to unhappienate her - I killed John. With a butcher's knife. In the ass. I bet it hurt.
I think by smashing my train to pieces, I may have unhappienated it a little.
I think by smashing my train to pieces, I may have unhappienated it a little.