nat 20

To do amazingly or surprisingly well, deriving from Dungeons & Dragons, where a roll of 20 on a twenty-sided die nets an automatic success, usually done with and recieved with gusto.

"These dudes were in my face and I punched this guy in the face. Nat 20 and he was down."

by Akhenaten April 08, 2003

nat 20 baby

calamity Marcy Wu"s famous line in the show when she battles the core/moon

person: sooo.. calamity Marcy Wu..?

me: NAT 20 BABY!!!! WOOOOOOOOO!

by Nat 20 BABYYYYYYYY <3 January 06, 2023

Nat 20

Natural 20 (Nat 20): Rolling a 20 on a 20-sided die (d20) in Dungeons & Dragons. It's usually a big success, and in combat, it means you hit well and do extra damage.

Dude, I tried to charm the guard and rolled a Nat 20, and now he’s planning my wedding.

by Bigb3 September 09, 2025