Asocial behavior, most often seen in the suburban United States, in which people will enter and exit their house or apartment by way of the garage, thereby eliminating any unwanted social interaction with neighbors, passers-by, and the outside world in general. Staying in one's vehicle until entry or exit from the garage has been completed is key to effective batcaving, as is having an automatic, remotely-openable garage door. Living in a gated community provides an additional level of batcavability.

Shoving a flashlight up someone's ass

Like how Batman sleeps hanging upside down from a horizontal pole... the man hangs upside down at an 180 degree angle while the woman wraps her legs around him and they have sex while at their bodies make a perfect 90 degree angle.

A forgotten bathroom in the band hallway in any small town high school. Ideal for playing scrabble, listening to music and smoking.

A code word for masterbating, used mainly to lie to your girlfriend or wife ect.

A fan of death rock. Not a goth, it's more like the step between punk and goth. The term comes from the name of a club, the Batcave.

A sexual fetish in which a person asks their sexual partner(s) to stick a batman figurine in his or her butt.