In Beer Pong Slo Ball Placement is where you move the ball inside a cup to the back of the cup. This makes it hard to make a subsequent shot in the same cup since the second shot is likely to bounce off the first ball.

Full detail rules for slo ball here:

http://beerpongleagues.com/rules/league-rules.html

Damn cheaters did a Slo ball placement when we were not looking and our second shot bounced out
by BeerPongLeagues March 12, 2009
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California Polytechnic State University, San Luis Obispo aka CPSUSLO: Crazy Penis Sucking Unfuckable Sluts (with) Legs Open
You go to Cal Poly SLO? You crazy penis sucking unfuckable slut with legs open. UCSB is better! Did you not get in?...oh, why else would you go to Cal Poly. You dirty dirty state school.
by seant926 October 18, 2011
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When you're stuck in LA and you can't check on your dad in Austin because of frozen weather.

Also, a deplorable sexual activity performed when the power is out.
My pops got caught in a slo-mo side-slide, and his dicks never been the same since
by haxauce February 2, 2023
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The sound made when the victim of a fail is slowed down to the point where the cry of horrific pain is changed into a gut bustingly funny roar and then posted on youtube.
The fat kids Slo-Mo Fail Roar when both his arms snapped like twigs made that video worth watching!! Although the bones sticking out through his skin made me throw up.
by A.Z.A.S Forever! January 12, 2009
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A mythical beast that is said to have mythical properties and abilities. There have only been a handful of sightings for the last 500 years. They are very timid creatures but boast great strength & agility. Sometimes referred to as the missing link between man and Pokémon and or Digimon. Also known to be a direct descendent of the legendary blockhead. They could be summoned for instantaneous inter-dimensional travel by simply calling the name “slooooooooooboookin”
Man that dude is huge! But he’s nimble, must be a SLO- Bokin
by Vinzy May 18, 2022
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