look up any word, like dirty sanchez:
 
1.
A guy who will have sex with anyone, and is pretty good at it.
Mike's a real slud. He's gotta have an amazing collection of STDs.
by skrapmetal June 24, 2011
 
2.
Past tense of slide. Preferred spelling: slid
Slud is something more than slid. It means sliding with great effort —Dizzy Dean, baseball player
by ScottFromWyoming March 25, 2010
 
3.
Slap and Thud in one word, the sound a .22 air rifle pellet makes when it hits a pidgeon.
man A: I went hunting today.
man B: You catch anything?
man A: Yeah, i hit a wood pidgeon right in the boiler room, you shouldve heard the SLUD!
by southwalessniper July 10, 2012