Английский словарь американских идиом - push off

or shove off {v.} 1. To push a boat away from the shore. * /Before Tom could reach the boat, Jake had shoved off./ 2. {slang} To start; leave. * /We were ready to push off at ten o'clock, but had to wait for Jill./ * /Jim was planning to stay at the beach all day, but when the crowds arrived he shoved off./