Bat out of Hell 

To move extremely quick, without thought or in a panic.

What's this guy's hurry? He's fucking driving like a bat out of Hell.

Bat out of Hell by Dancing with Fire June 24, 2011

Bat Tuesday 

The Tuesday following the American holiday Labor Day where it is marked the "official" start of the Halloween. It derives it's name from the Mardi Gras holiday of "Fat Tuesday."

Have you seen all the Halloween stuff they have put out already? I can't wait to buy all of it on Bat Tuesday and celebrate!

Bat Tuesday by slapshot September 2, 2019

bat-muncher

derogatory term for an individual of Chinese descent

Some bat-muncher was coughing up a storm in my class today. We now all have coronavirus

bat-muncher by lil kid fucker March 13, 2020

bat in the cave 

A reference term for when you have a booger in your nose that is clearly visibly from the outside.
This context is found in an episode of Sex and The City.

Hey buddy, you have a bat in the cave. Need a Kleenex?

bat in the cave by Scott November 2, 2004

bat box 

A small wooden box used for carrying around marijuana indiscriminately.

The fire alarm rang and I grabbed my bat box because I knew that it was going to be a long wait

bat box by Jim Witness September 13, 2004

Bat Country

Bat Country is known from the 1998 movie Fear and Loathing in Las Vegas which is based on the Book written by Hunter S. Thompson, with the same title of course. They drive through the heat stroke ridden weathered desert with nothing in sight for miles also known as "Bat Country" on their way to Las Vegas strung out on Ether, Acid, and other mucilaginous drugs they had in the trunk.

*Driving down the hot desert roads full speed*
*suddenly the car comes to screeching holt*
Raoul: WE CANT STOP HERE THIS IS BAT COUNTRY! *waving around a fly swatter*
*bat drops down onto dirt road as they pull away*

Bat Country by Colonel Depp September 4, 2019

Bat Out Of Hell 

To leave a location in a big hurry.

To leave in a vigorous or angry manner.

I got in my car and drove away like a bat out of hell.

Bat Out Of Hell by Supremegamer64 August 7, 2006