grammar Nazi

idiom

A person who habitually criticizes the grammar and (often) usage in others' speech or writing, often in ways that are sometimes not even linguistically accurate.

Anchors to

grammar
Nazi

Related idioms2entries

01
grammar police
One or more people who make negative comments, which are usually unsolicited and unwanted, concerning the correctness of someone's English usage.
02
play the Nazi card
To invoke the reductio ad Hitlerum argument in a dialogue or debate.