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Swagerinback is when you claim to have eaten too many appitizers and therefore cannot eat any of your main course. In other contexts, it could also mean the swaying of the body back and forth after having one too many drinks.
Wow, after only 5 drinks, that guy is Swaggerinback.


I've eaten too many appitizers, I can't eat my pizza, I'm swaggerinback.
by Urban lengendarious April 22, 2009