An ubran haircut; usually short where your shape ups in the front and back are sharp thus resembling geometry.
by DrZO August 29, 2015

Something involving shapes almost pointless. It's a 9th grade course, but most kindergardeners can figure out how to do it.
by Adeadlyliquid September 28, 2004

The placement and direction of a bong and lighter within a smoking circle to indicate the next person’s turn
Chris: Hey, Meredith. Is it your to smoke? Bong geometry says so.
Meredith: How so?
Chris: The lighter is in front of you and the bong is facing you as well.
Meredith: Thanks, Chris! I can always count on you.
Meredith: How so?
Chris: The lighter is in front of you and the bong is facing you as well.
Meredith: Thanks, Chris! I can always count on you.
by Thundercat Thorn April 29, 2019

by Selfish Shellfish April 9, 2017

by gcjdavid May 17, 2015

by evix November 16, 2018

by ExcusemesirWTF February 4, 2019
