Leave, usually as an expression of disapproval(verb)
WordNet. Princeton University. 2010.
Use "walk out of" in a sentence
"Early Monday, former Giants receiver Plaxico Burress will trade his prison-issue clothes for his own and walk out of the Oneida Correctional Facility—his home for the past 20 months and 14 days."
"I walk out of Superduper Pawn not quite three hundred dollars richer."
"We walk out of the courtyard through the main building, past the marble staircase and the huge mirror where Nina and I used to meet before classes, into the gray expanse of the Neva Embankment."