1 definition by xWitt

Saying you can come to an event and then cancelling at the last minute.
1. Sorry guys, I'm afraid I'll be doing a John tonight.

Also acceptable:
2. Imma have to John it tonight.
3. That girl I was interested in did a John. Now I cry myself to sleep.
by xWitt October 7, 2017
Get the Doing a John mug.