'Pulling a Schofield' refers to that act of drinking as much alcohol as is humanly possible in an extremely short period of time. To complete "Pulling a Schofield" you will go on to project vomit on and/or near oneself then going on to roll around and sleep in the vomit.
An example of "Pulling a Schofield" would be: On a camping expedition with friends a person, who may or may not be called Jack, would drink an excessive amount of alcohol. He will then be sick all over himself and fall asleep in it.
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