when smoking marijuana and you finish the bowl and you want to smoke more, you empty out the bowl and thats called rebowling. and it was not originated on 4/20 2005 it has been around for a long time.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.

When smoking marijuana in a pipe, bong, or vaporizer and you have finished the bowl you must empty the bowl and refill it with bud. This is referred to as a rebowl, or rebowlling. The term was originated in a vaporizer session between 7 high school students on April 20th 2005 (4/20, 420).