Synonymous with bitching out. Best used in the context of bro activities whereas one bro has decided to pursue academic or romantic ends rather than engage in brodom.
Person 1: "Hey, have you heard from Joe? We are waiting on him to play some SC."
Person 2: "Nah bro, he's pulling a zanotto."
Person 2: "Nah bro, he's pulling a zanotto."
by Dalthon August 1, 2012