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

"SD" is a known user on the internet who is known to be really Chill and Cool

My best friend SD is the nicest guy I know

by IloveSD March 20, 2022

SD&L

SD&L the meaning of Suck Dick And Live!

It just means live life to the fullest.

Hey Bro! SD&L

Hey girl Just SD&L.

SUCK DICK AND LIVE!

by SD&L November 19, 2017

SDS

Small Dick Sender. Someone who sends a limp/flaccid Dick pic. Usually showing no shaft, but just a little turtle head

Kyle didn’t ask the Boys on how to send a dick pic, so he became a SDS.

by Roosterwiththetunacan May 31, 2021

SD-Boolin

In reference to, the beautiful, Savanah Boolin.

Compliment- If a female is “SD-Boolin” then she bears striking resemblance to one; Savanah Boolin, a very beautiful individual.

“Yoooo dude, that chick is SD-Boolin, she’s so friggin cute dawg.”

by Oh 👌 November 26, 2019

SD

The author and creator of the `sdbot`

SD coded the sdbot

by paxor4lyfe July 8, 2003