duo lingua 

the latin word for "two toungues" sounds relatively similar to duolingo, which is a language learning app

duo lingua sounds like duolingo

duo lingua by Elysmile April 7, 2021

duo d’ano 

2 girls extremely thin
Ex: Assia and Ève

Oh shit duo d’ano is coming

duo d’ano by assia.a.l September 8, 2021

Duo day 

On March 15th your duo was to buy you something more worth than 20$

"here's 20$ because your my duo"

#duo day

Duo day by Kebab5021 March 15, 2023

Duo-lusional 

(Adv.)
A term that describes two delusional friends called Bashar and Omar. Any two delusional people cannot be called duo-lusional, unless they are Bashar and Omar specifically.

Person 1: “Yesterday I saw Bashar and Omar.”
Person 2: “Do you mean duo-lusional?”
Person 1:

Duo-lusional by Not Duo-lusional August 4, 2023

duo dub

The consensual act of intercourse between a male individual and another.
To copulate between two males

"We got a duo dub last night dude"

duo dub by Cheeesydeluxe December 6, 2023

Duo-bullying 

Duo-bullying (verb): The act of engaging in coercive or intimidating behavior by the Duolingo owl through the delivery of threatening messages and persistent reminders, causing emotional distress and potential mental strain in the targeted individual.

Duo-bullying gave me multiple anxiety attacks so I sued the company and got millions

Duo-bullying by ObliberTheGreat January 2, 2024

duo dynasty 

"duo dynasty" means duoing a legacy match in defend the statue

"@Jimmy10362 lets duo dynasty in like 10" - N16
"me when Maurice says “lets duo dynasty” - Funne_moke788

duo dynasty by superdinggem December 21, 2024