Idiomer
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English · Slang Attested

R+L=J

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

The theory that the character Jon Snow, initially presented in A Song of Ice and Fire/Game of Thrones as the bastard son of Ned Stark by an unknown woman, is actually a secret child born of the union of Rhaegar Targaryen and Lyanna Stark.

Register: slang

Where it’s used: Used American English

Examples

This is particularly true of the “R+L=J” phenomenon, the theory that Jon Snow is actually the son of Rhaegar Targaryen and Lyanna Stark, which is commonplace on “Westeros.org,” “Tower of the Hand,” and other sites of online fandom.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “R+L=J” mean?

The theory that the character Jon Snow, initially presented in A Song of Ice and Fire/Game of Thrones as the bastard son of Ned Stark by an unknown woman, is actually a secret child born of the union of Rhaegar Targaryen and Lyanna Stark.

Is “R+L=J” formal or informal?

R+L=J is generally slang.