- A rhetorical question expressing strong disbelief, confusion, or disapproval regarding someone's decision, action, or creation.
- Implies the action was illogical, foolish, poorly judged, or nonsensical.
Explanation
Origin
- Uses a basic question structure (What was [subject] thinking?) rhetorically.
- The speaker isn't actually asking for the thought process but highlighting its perceived absence or irrationality.
Synonyms & Related Expressions
Alternatives
Slang/Informal:
- What the hell? / WTF? / WTH? (Expresses shock/disbelief)
- Are they high? / Were they drunk? (Suggests impaired judgment, joking/insulting)
- That's just dumb/stupid.
- Major brain fart? (Suggests a temporary lapse in thinking)
- Who thought that was a good idea?
Vulgar/Emphatic:
- What the fuck were they thinking?
- Are they fucking stupid/mental? (Very insulting)
Milder/More Formal:
- That seems ill-considered/ill-advised.
- One questions the rationale behind that.
- A questionable decision.
- The logic is difficult to follow.
Situational Appropriateness
- Mostly informal.
- Can be used in semi-formal settings among peers who likely share the sentiment.
- Avoid directing it *at* the person/group being criticized in a formal setting, as it's inherently critical and dismissive of their judgment.
Misunderstanding Warnings
- Learners should understand it's rhetorical. The speaker isn't genuinely asking for an explanation but is expressing strong disapproval or shock at the lack of good sense.
Examples
- They approved that ugly building design? What were they thinking?
- He invested all his savings in that scheme? What was he thinking?
- This plot twist makes no sense! What were the writers thinking?
Dialogue
Anna: Did you see the council cut down those beautiful old trees in the park?
Ben: Yes! I drove past this morning. What were they thinking?! The park looks barren now.
Anna: I know! Everyone's furious about it.
Social Media Examples
- Reacting to bad news: They cancelled the best show on TV?! WHAT WERE THEY THINKING?! #SaveOurShow #Angry
- Commenting on design: This new phone design is hideous. What were they thinking @CompanyName? #TechFail #Design
- Political critique: That policy change is going to hurt so many people. Seriously, what were they thinking? #politics #facepalm
Response Patterns
- I know, right? It's unbelievable!
- Beats me. / I have no idea.
- Exactly! Makes no sense.
- Maybe they thought [speculative, often illogical reason]?
- Shaking head in agreement.
Common Follow-up Questions/Actions
- Shared speculation about the (lack of) reasoning.
- Further criticism of the decision/action.
- Discussion of the negative consequences.
- Expressing shared frustration or disbelief.
Conversation Starter
- Yes. Can be used to initiate a conversation about a recent, seemingly illogical event, decision, or observation. Did you see the news about X? What were they thinking?!
Intonation
- Often exclamatory, with disbelief or exasperation.
- Rising intonation on THINKING. Stress on WHAT and THINKING. WHAT were they THINKING?!
- Can also be said in a quieter, more bewildered tone.
Generation Differences
- Universal. Very common expression.
Regional Variations
- Universal.