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1 definition by punks_of_77

 
1.
Combination of Beirut and beer pong where each team has multiple players who switch off throwing. However, when a cup is sank, the losing team has an opportunity to block the cup removal by immediately beating the opposing team (minus the thrower) in a flip cup match.
"Fuck, we have too many players for beer pong but I don't want to just play flip cup. How about Beirip!"
by punks_of_77 July 23, 2008