Shitting Razor Blades 

The Extreme burn of your poop comming out of yer asshole after eating some Extremely spicy food such as Hot Peppers or other mexican food

"Damn Nigga! I ate some Peppers last night and this mornin' I was Shitting Razor Blades

Shitting Razor Blades by Hwanathan November 18, 2006

shaking like a dog shitting razor blades

A term used to describe how badly someone is shaking either from the DTs or nerves or while attempting to do something small and detailed like threading the eye of a needle.
Described thus in reference to when a dog takes a dump, it often shakes its hind-end or whole body during the task. If it were razor blades being defacated, then the shaking would likely be infinitely more pronounced!

Scott: *trying to put a nut on a bolt wedged way up inside the frame of his car* "I can't...quite...get the mother...shit, I just had it...FUCK...I can't get it, my arm is going numb!!!"

Max: *watching Scott fumble and shake as his arm becomes spaghetti from the tedious task* "Dude, your shaking like a dog shitting razor blades."

shaking like a dog shitting razor blades by psiscott April 27, 2006

mad dog shitting razor blades 

When you are having a conversation with someone that continuously charges the topic to avoid the conversation.

Person 1: So please provide some evidence that can only work on a Flat Earth and wouldn't work on Globe Earth.
Person 2: ...You don't know what Dark Matter is!
Person 1: Talking to you is like a mad dog shitting razor blades! I'm out

mad dog shitting razor blades by WozInOz May 10, 2024

Smiling Like a Dog Shitting Razorblades 

A term used to describe a situation where one needs to smile or act happy even though they are in severe pain physically and or mentally. References how dogs (most dogs) facial expression remains the same even when they are in pain. Usually used to describe an unpleasant interaction with authority.

Another variation of this phrase is shaking like a dog shitting razorblades

"The boss was screaming right in her face but she just stood there smiling like a dog shitting razorblades."

Smiling Like a Dog Shitting Razorblades by FutureGhost November 13, 2018