To act in a tricky, inconstant way, saying one thing and doing another.
To be recklessly inaccurate, inappropriate, or otherwise ignoring guidelines and conventions.
To ignore proper behavior or social conventions, especially when it suits one's purpose.
To continue to act or do something, especially with a lot of effort
Used other than figuratively or idiomatically: see push, forward.
To reschedule (an event) for an earlier date.