Definition of 'disrupt'
New Oxford American Dictionary
disrupt |disˈrəpt| verb [ with obj. ]
interrupt (an event, activity, or process) by causing a disturbance or problem: a rail strike that could disrupt both passenger and freight service.
Silicon Valley Dictionary
disrupt |disˈrəpt| verb [ with obj. ]
create a service/product that is free and/or better than the current landscape to gain mass user adoption and loyalty. This is followed by selling the product to a larger entity who will neglect and eventually shut it down. Leaving dedicated users burned.