My favorite word that's picked up a new meaning (for me, anyway) is trespass, as in "trespassers will be trespassed"[1].

Apparently, using the word trespass as a intransitive verb is correct (albeit archaic) and was used as such in the New Testament, as in forgive those who trespass against us.

[1]http://www.visualthesaurus.com/cm/dictionary/trespassers-wil...