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
Full detail rules for slo ball here:
http://beerpongleagues.com/rules/league-rules.html
by BeerPongLeagues March 12, 2009