Slang term usally heard on trucker's CB channels, used to informed other truckers of the presence of a police officer (CHP). Polar Bear get the name from their white unmarked patrol vehicles.
by BTLS fan, Bubba Army October 30, 2006

by RufioEIU86 April 14, 2005

An obscure insult for white people who think they are black, similar to oreo, coconut, and banana. Comes from the fact that polar bears are covered in white fur but have black skin underneath that.
by Zack Green August 19, 2004

by kaweena January 4, 2009

polar bears commonly known as....uh...polar bears first lived in the north pole and then floated down to antarctica on an iceberg and lived in harmony with the penguins.
by trogdor_the_burninator_now October 31, 2007

The favorite Christmas movie of people born between 2003-2006, based on a book by *Googles* Chris Van Allsburg. In 2017 it became the dank express, DEJA VU! Its cast consists of Tom Hanks, Tom Hanks, Tom Hanks, Tom Hanks, Tom Hanks, Tom Hanks, and a special guest appearance of Tom Hanks.
The polar express is the most epic Christmas movie.
Oh look, there's at least one definition here that's not sexual.
Oh look, there's at least one definition here that's not sexual.
by anonymous May 27, 2021

When it’s snowing outside, and you bury a girl head first in the snow and fuck from behind. If you and your boys want to run a train on the girl, it becomes a polar express.
James: yo bro yesterday there was a huge blizzard and I fucked my bitch outside
John: no way bro what did you do
James: I fucked her from the back while her head was in the snow
John: ohhh you mean the polar plunge
John: no way bro what did you do
James: I fucked her from the back while her head was in the snow
John: ohhh you mean the polar plunge
by Kslatty February 7, 2023
