Einstein
How to Use Einstein
Learner’s notesIn plain EnglishSomeone extremely smart — or, said sarcastically, someone who just did something dumb.
Sarcastic use ("way to go, Einstein") is common in everyday speech and means the opposite of genius — context tells you which meaning is meant.
Informal; capitalized because it comes directly from the proper name.
Word Forms
Einsteins plural, Einsteins plural, einsteins plural, einsteins plural
Fill the Gap
Can you complete this real example?
She solved the puzzle in seconds — a real _____.
Etymology
From the name of physicist Albert Einstein, whose fame for genius turned his surname into a byword for cleverness — often used ironically for the opposite.