Be on your/its last legs
phrase
To be very weak, close to failure or exhaustion.
After running the marathon, I felt like I was on my last legs.

Usage tips
Idiomatic
phrase
To be in the final stage of a period of existence or activity.
The old car is on its last legs and needs to be replaced soon.

Usage tips
Idiomatic
phrase
To be in a bad shape or condition, close to breaking or stopping functioning.
This fridge is on its last legs, it's not even cooling properly now.

Usage tips
Idiomatic
phrase
To be very weak, close to failure or exhaustion.
After running the marathon, I felt like I was on my last legs.

Usage tips
Idiomatic
phrase
To be in the final stage of a period of existence or activity.
The old car is on its last legs and needs to be replaced soon.

Usage tips
Idiomatic
phrase
To be in a bad shape or condition, close to breaking or stopping functioning.
This fridge is on its last legs, it's not even cooling properly now.

Usage tips
Idiomatic
Definition 1 of 3

Metaphoric Use
This phrase often metaphorically describes extreme tiredness or effort.

After the all-nighter, she was on her last legs.
Not Literal
Don't take it literally; it doesn't always involve legs.

The company was on its last legs, despite strong efforts to save it.
Informal Context
It's casual, more likely heard in conversation than formal writing.

I can't go out tonight, I'm on my last legs from work.
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