Checkmate 

Pronuciation: Cheqmeit
1. A position in chess where the opponent king has no option but to be captured in the next turn

2. Said when you're in an argument and you surprise so much at your opponent that he doesn't know how to answer.

1. Checkmate, your king is f***ing dead
2. If the earth is flat, why are my feet curved? Checkmate flat-earthers.

Checkmate by Wixkslfjdkfirjeje May 13, 2022

checkmate 

A chess game situation where the king has nowhere to move or to be safe.
It’s used to win the game of a chess match

Checkmate!
You have nowhere to move

Ok, gg

checkmate by Dlguy69420 November 3, 2022

Checkmate 

When someone selects the middle urinal or toilet stall so any other users are forced not to be able to leave the obligatory gap. Or when someone comes into the toilet and chooses not to leave the obligatory gap when there is one available.

Ah man , I was in the toilet when this guy comes in , checkmates me and then hits me with splashback.

Checkmate by 1.2.3.4.5.6.7.8 January 10, 2025

Checkmate, Lincolnites!

A phrase uttered by Neo-Confederates or Lost Causers after DESTROYING the pernicious lies of Yankees, Scalawags, and Carpetbaggers using FACTS and LOGIC.

Johnny Reb: "Why did the North invade the South in 1861? Was it because they hated slavery?"

Billy Yank: "No, it was to save the Union, but sl-"

Johnny Reb: "CHECKMATE, LINCOLNITES!1!!!1!"

Checkmate, Lincolnites! by Cool With Coolidge October 6, 2022

Checkmate Sergei 

Victory! In your face! Used to announce an accompishment.

ORIGIN: Derrived from a 2011 FedEx commercial where a mutli-tasking senior mananger, while tatooing his own back, simultaneously defeats 2 chess apponents and announces "Checkmate, Sergei!".

a double play is executed in a baseball game, "checkmate Sergei."

Checkmate Sergei by siliconsoapbox May 12, 2011

Checkmate! That was swag 

When you do a super cool skateboarding trick you've been trying for so long

"checkmate! That was swag, did i really just did that??"

Try saying it while you flip your hair.

Checkmate! That was swag by Mollyollyoldlady July 10, 2021

CheckMate Move 

The act of banning Kali and Goyo in a Ranked game of Rainbow Six Siege

Let’s Get the Other Team with the checkmate move

CheckMate Move by 67526 May 31, 2022