I'm gonna get the milk.

You really messed up

Dad "I'm gonna get the milk."
Son "Ok"
Son (5 years later) "Dad?"

I'm in some deep bread

It means you're in pain, whether physical, mental, or emotional at the time

"I was in some pretty deep bread for a couple of months after the divorce, but I'm learning to cope."

"I'd love to be able to help you, but I'm in some deep bread mentally and should really take care of that"

only when I'm pregnant

A male person's definitive "never" response. Puts to rest the relentless drunk friend-of-friend who tries to force you into a flase confession.

Drunk FoF: "Dude, would you ever consider nailing Snooki?"
Dude: "No."
Drunk FoF: "Not even if your were drunk?"
Dude: "Never."
Drunk FoF: "Even if you're drunk, horny, and she's playing with your balls?"
Dude: "Only when I'm pregnant."

[I'm busy as a lizard drinkin]

Australian colloquial term.
People who are busy as a lizard drinking are doing absolutely nothing!
Lizards don't drink.

Hey mate can you give me a hand?
Nar Mate "I'm busy as a lizard drinkin...."

I'm going to kill myself

Expression

Something that especially a suicidal person would say to underline that they have gone through a lot and are not able to mentally or physically keep up with the current situation anymore.

My life is nothing but endless suffer, I think I'm going to kill myself

I'm literally about to snap

I really am

The void is losing my name I'm literally about to snap

I'm not happy Bob. NOT HAPPY.

A phrase used by Mr. Incredible's boss when he is not happy with him.

Boss: "I'm not happy Bob. NOT HAPPY. ask me why"
Bob: "Okay. Why"
Boss: "Why what? Be specific Bob!"
Bob: "Why are you unhappy"