(2)To do something impossible/highly unlikely.
Mother: How did my vase get broken?!?
Son1,2: Dunno chief!
Mother: Well someone better 'fess up before I open up a can o' whoop-ass.
Son 1: Alright! Son 2 broke it with a sammich!
Guy 1: *quintuple backflips off a building on rollerskates*
Guy 2: Dude! You just broke that trick with a sammich!