A Price So High, You Might Walk Away Limping
When someone says, “That car costs an arm and a leg,” you know they mean it’s ridiculously expensive — not that they’re trading limbs. But why do we use this gruesome-sounding phrase to talk about cost?
Let’s dig into the bizarre (and slightly dark) possible roots of this common idiom, and why we’re still using it today.
💰 What the Phrase Means Today
In modern use, “cost an arm and a leg” simply means something is outrageously expensive — financially, physically, or emotionally.
Examples:
- “Their wedding cost an arm and a leg.”
- “I love my new apartment, but the deposit cost me an arm and a leg.”
- “She went through so much stress for that promotion — it cost her an arm and a leg emotionally.”
It’s become shorthand for extreme sacrifice or cost.
🖼 The Portrait Theory
One popular (and admittedly debated) origin story ties the phrase to 18th and 19th-century portrait painting.
Back then, full-body portraits were more expensive. Including the arms and legs required:
- More canvas
- More time
- More detail
So the theory goes: if you could only afford your head and shoulders, it was cheaper. Want arms and legs? It’ll cost you.
No documented price list survives, but the idea captures a timeless truth: the more you want, the more you pay.
🪖 The War Connection
Another theory links the phrase to veterans returning from war — especially World Wars I and II — where losing a limb was a tragic but not uncommon outcome.
The expression may have emerged as a hyperbolic way of saying someone paid a high personal price — literally — for something (such as victory, freedom, or survival).
Though there’s no direct quote tying the phrase to soldiers, the timing lines up: “arm and a leg” enters popular American speech around the mid-20th century.
🧠 The Power of Shock Value
Like many idioms, the phrase probably stuck around because it’s vivid and a little jarring.
- “It cost a lot” is vague.
- “It cost me an arm and a leg” makes you wince — and pay attention.
English has a habit of using the body to express emotion and value:
- “Break a leg”
- “Cold feet”
- “Give a hand”
- “Put your foot down”
“Arm and a leg” fits right in with the body-as-currency theme.
🧐 Other Theories (Fun, But Less Proven)
- Political Cartoons: Some say early American political cartoons showed Uncle Sam with missing limbs after wars or scandals, though this may be artistic metaphor more than linguistic origin.
- Hyperbole: It might just be a natural exaggeration — like saying “I’d give my right arm for that.” It escalates the cost dramatically.
🗣 When to Use (and Not Use) the Phrase
It’s common in casual speech — but in formal writing or sensitive contexts, it may come across as flippant or exaggerated.
✅ Great for:
- Humor
- Emphasis
- Informal storytelling
🚫 Less ideal for:
- Official business communications
- Serious conversations about real injury or trauma
🧠 Language Evolves — But Some Phrases Stick
We no longer barter with limbs or body parts (thankfully), but this phrase taps into an ancient concept: that true value often requires true sacrifice.
And in today’s world, with rising costs everywhere, we’re probably going to keep using it.