Let the brown bear out of the cave. 

The act of having a bowel movement. The idea being that the anus is synonymous with a dark cave, and the fecal matter being brown, is synonymous with a bear.

I will be in the bathroom for a while, I need to go let the brown bear out of the cave.

Let the brown bear out of the cave. by Ninja Medic November 5, 2011

Bear Grylls The Fuck Out 

To Escape A Life Threatening Scenario Using Techniques Learned From Bear Grylls Worst Case Scenario TV Show

Jude: Yo I heard you got into an accident last night on the freeway, are you ok?

Alex: Yeah after my car flipped and i woke up i quickly assessed the situation and Bear Grylls the fuck out of there

Jude: Nice!

Bear Grylls The Fuck Out by Jack Limbo May 6, 2010

tear the asshole out of a grizzly bear 

A phrase meaning really powerful and fast, especially relating to old muscle cars, and only used by white dudes from Florida.

Don't let the rust fool you, that ol' El Camino 'll tear the asshole out of a grizzly bear.

tear the asshole out of a grizzly bear by ka-chan April 12, 2012

monkey looking out of a bear's arsehole 

An ugly woman with long frizzy hair

Winsome was the spitting image of a monkey looking out of a bear's arsehole.

monkey looking out of a bear's arsehole by Poll Hereford November 2, 2009

out of the teddy bear club 

tongue in cheek reference to being in trouble with someone or banned from a group because of a faux pas or thoughtless act. Also referred to as TBC denied or Exiled from the TBC.

"Jenny, if you drink my last beer again you're going to be out of the teddy bear club." or "Josh stood me up last week. He is TBC denied."

out of the teddy bear club by leh February 19, 2007