“Through the Roof” can mean rise to a very high level and, informally, become very angry. Use context to distinguish a sharp increase (“prices went through the roof”) from the informal anger sense.
ReviewedEvidence1 sourceSectionPhrases & Idioms
Quick answer
Can mean rise to a very high level and, informally, become very angry.
Key details
Canonical Formgo through the roof
Core Meaningcan mean rise to a very high level and, informally, become very angry
Further guidance
History Boundary
Current dictionary-supported meaning is published without claiming an exact inventor, coinage date, or absolute first use.
Meaning
can mean rise to a very high level and, informally, become very angry
Usage Boundary
Use context to distinguish a sharp increase (“prices went through the roof”) from the informal anger sense.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
Under current U.S. Regulation NMS, a trade-through is an NMS-stock purchase or sale during regular trading hours at a price lower than a protected bid or higher than a protected offer. Do not use trade-through for every execution away from a displayed quote: the regulatory definition depends on protected quotations and regular trading hours, and Rule 611 also contains specified exceptions. The SEC proposed rescission in June 2026, but that proposal is not a final repeal as of this review.
A “breath of fresh air” describes someone or something that feels new and different and makes a situation more exciting. The guide stays with current documented meaning rather than unsupported origin chronology.
A “change of heart” means changing your opinion or feelings about something. The guide establishes the present-day idiom and does not invent an exact coinage or first-use account.
“A dime a dozen” is a chiefly US idiom for something very common, easy to find, and not especially distinctive. The wording can carry a dismissive tone when it suggests that something is readily replaceable.
“A drop in the bucket” describes an amount that is very small compared with what is needed or compared with a much larger whole. Cambridge labels it as the US form and gives “a drop in the ocean” as the UK counterpart.
“A fish out of water” describes someone who feels awkward, uncomfortable, or out of place because the situation is unfamiliar or they do not fit the surrounding group.
Actionable Indication of Interest is a current federal securities-regulation defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
Administrative Data is a current Regulation NMS defined term for specified administrative, control, and technical messages in the market-data plan framework.
