SD

In Boxing, SD is the short term and type via. Split Decision. In boxing and for other combat sports, a split decision is when 1 of the 3 judges gives it in favour of one fighter. While the rest give the favour to the other fighter. Split decisions are usually seen as controversial victories. And many Split decisions can end up overturned and will usually hand a rematch between the two competitors.

There are multiple famous split decision (SD) matches one of them Is in 1987 when Marvin "Marvellous" Hagler fought Sugar Ray Leonard. and another in 2007 when Oscar De La Hoya fought Floyd Mayweather being the closest Floyd ever came to a defeat.

by ErrolTheTruth November 20, 2021

T-SD

Temporo-spatial differentiation

T-SDs are a new field in ergodic theory

by ConstanceET March 20, 2023

sd bogan

The worst R6 player on oce servers and can't get a kill to save his life.

"Oh we are versing sD Bogan"
"Oh he's trash that's freelo"

by NotLanu September 6, 2020

Peaky SD

Peaky SD (or PKSD in short) The polar opposite of PTSD, instead of having reocurring memories of traumatic events, you instead recall moments that are "peak" (very good).

"Dude... I just got Peaky SD"
"From what?"
"I just recalled my Balatro run..."

by succling January 24, 2025

SD

SD is a real nigga with a big dick Who listens to carti and worships him he also has the best hair he gets girls. He is a black supremacist he has good hair. Hes chill plus he has an humongous cock

SD a real nigga

by anonymous November 22, 2021

Harrisburg, SD

a small city outside of Sioux Falls, which is known to be the home of hicks and fake ass hoes. everyone from Harrisburg inherently hates Brandon Valley, and nobody likes "burg" because they're actually good at sports.

dave: did you see Harrisburg, SD made it to state this year?
jack: yeah, but they won't win, they choke every year

by JuiceWrldAintDead January 24, 2021

SD

1. (abbreviation) Stupidity Disorder

"Honestly, you have SD," Jonathan cried.

by Ewan the potato February 2, 2020