Theydar

When you know that a stranger identifies as "they", rather than he/she, even when it's not obvious. Similar to gaydar.

John meets someone for the first time. His theydar tells him straightaway that the person is they.

by Lu.ber November 10, 2022

theydar

The ability to determine the birth sex of a transgender or nongender person.

Tom Jordan's theydar was on point at the dungeon party tonight.

by Neoslowgism September 4, 2017