He left public service after voters 'booted' him from the mayor's office. [=he chose not to work for the government after he was not reelected as mayor]
I heard they 'gave her the boot'. [=they fired her; they told her she could no longer work for them]
You don't need all these applications to open every time you 'boot' your computer.
(..) GIBBS: Feast your eyes, Captain. All of them faithful hands before the mast. Every man worth his salt. And crazy to boot. So this is your able-bodied crew? - You, sailor! - Cotton, sir. Mr.Cotton, do you have (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl