1. interjectionget out of here!, beat it!, split!, vamoose!, scat!, scram! 2. bootleg (illegal) liquor 3. put a computer into operation from a powered-off state (also 'boot up')
The boys yelled "Boot, sister!" at the girl when she entered their clubhouse. Elliot Ness's Untouchables confiscated 5,000 cases of Canadian boot during a raid. This new software requires the machine be booted over again so as to install properly.