get off

1 :  to avoid the most serious consequences of a dangerous situation or punishment got off with a light sentence

2 :  start, leave got off on the trip early

3 :  to leave work with permission or as scheduled

4 :  to get high on a drug

5 :  to experience orgasm

6 :  to experience great pleasure —often used with on

1 :  to secure the release of or procure a modified penalty for his lawyers got him off

2a :  utter get off a jokeb :  to write and send