Bong Mitzvah 

On the first Saturday (Shabbat) following 13 days after purchasing a new bong, the bong will go through it's Bong Mitzvah. The celebration is meant to welcome the new bong into the family. Traditionally at least 10 people (a minyon) wearing yarmulkes and talit should be present to take part in the festivities.

Hey man, your bong is 13 days old? What time is the Bong Mitzvah on Saturday?

Bong Mitzvah by Bobby Gizzle November 7, 2010

Bong Mitzvah 

Having a killer blaze session with a bong.

Saul: You still got that bong I got you when I was in Tel Aviv?
Red: Hell yeah, Bong Mitzvah! Hit it up, dude!

-Pineapple Express

Bong Mitzvah by Zach The Magical Hobo July 19, 2009

bongmitzvah 

A gathering with just a couple of people or a whole party that are there to smoke weed.

"Hey i was thinking, bongmitzvah this weekend?"

"Yeah!! But only like 4 or less? Last time there was too big of a head count."

bongmitzvah by meggiedough November 15, 2009