Drop dead

Stuff your eyes with wonder […]live as if you'd drop dead in ten seconds. See the world. It's more fantastic than any dream made or paid for in factories.

Boy, I'm in a bad mood today! Everyone had better steer clear of me! I hate everybody! As far as I'm concerned, everyone on the planet can just drop dead. People are scum.

`My parents would drop dead if they knew,' she said.

“Whatta ya say, goils? I'll take the botha ya, only later, like, well, you know, like later onea ya can split and go home.”[…]“Drop dead,” Rachel said with a smile.

[to Kramer] Are you dense? I said I wanted you to drop dead. Now... drop dead! [slams the door in Kramer's face]

Let's suppose your personality was only a manifestation of the id and you saw a drop dead gorgeous man that really tripped your trigger. Spurred on by your id, you would run up to him and immediately engage him in a sexual encounter.