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
Get the SDmug. Temporo-spatial differentiation
by ConstanceET March 20, 2023
Get the T-SDmug. 
by Rudegyal LC February 19, 2023
Get the SD THE GR8mug. 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
jack: yeah, but they won't win, they choke every year
by JuiceWrldAintDead January 24, 2021
Get the Harrisburg, SDmug. An abbreviation for The Sweden Democrats (Sverigedemokraterna), a right wing political party in Sweden
by pearsrfruit October 7, 2020
Get the SDmug.