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nat 20

/næt ˈtwɛn.ti/

Common

A perfect roll in D&D. Slang for any moment of unexpected or exceptional success.

Almost always celebratory or impressed. Sometimes sarcastic when something succeeds through pure luck rather than skill.

Real-world examples4 examples
#ExampleWhat it meansSource
01she asked him out in front of everyone and he said yes immediately. nat 20 on persuasionThe attempt succeeded perfectly beyond what anyone expected.x, 2024
02I accidentally parallel parked on the first try. nat 20.Something difficult was accomplished perfectly and unexpectedly.reddit, 2023
03our paladin rolled a nat 20 on their death save and then immediately stood up and punched the bossA player had an incredible lucky moment at the most dramatic possible time.tiktok, 2024
04job interview was going terribly then I somehow nat 20'd the final questionA bad situation reversed course with one unexpectedly strong performance.x, 2023

Use it when

  • Someone rolls the best possible result in a tabletop RPG.
  • Something goes perfectly in real life through luck or skill.
  • Celebrating an unexpectedly great outcome in any context.
  • Someone pulls off something impressive under pressure.

Do not use it when

  • You just mean something went well generally.Use “W” instead.
  • It was expected to succeed.

Variations and related forms

natural 20

Full form of nat 20. Same meaning, used in more formal or written contexts.

Nat 20 vs nat 1

nat 20

Nat 20 is the best possible roll, a critical success.

VS

nat-1

Nat 1 is the worst possible roll, a critical failure.

Origin and context

Comes from the d20 mechanic in Dungeons and Dragons, where a 20-sided die rolling its maximum value triggers a critical success. The phrase moved from tabletop gaming into broader internet slang as TTRPG culture became more mainstream.

First seen
1970s
Confidence
high

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Use this stable URL to reference the entry.

https://slang.fyi/nat-20
Updated: 2026-08-28License: CC BY 4.0

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