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when you get so drunk you take the skin from your ballsack and strech it so it forms a basin in which you pour alcohol into it and get your mate to drink it.
friend one - My head's killing me, what happened last night?
friend two - you got so smashed that you bird bathed and friend three drank from it
friend one - FML
by xKinkyKittenx September 14, 2017
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