Skull Fracture

Skull Fracture is an extreme biker joint in Gravity Falls where Manly Dan and Mr. Poolcheck usually hang out. The bar is located in a run down building and is protected by a tough-looking bouncer.

History
In the episode "Headhunters," Mabel and Dipper sneak in using Fake IDs in order to interrogate Manly Dan. While Dipper is questioning Dan on what he was doing when Grunkle Stan's wax figure was decapitated, Mabel plays the fortune teller game with Bats Biker, predicting that his wife will be beautiful. When they leave, the biker yells, "But will she love me?!" The club does not serve miners, and is fairly lax about checking IDs.

In Dipper's story in "Bottomless Pit!," Dipper mentions walking by it while looking for Stan, so the latter would reassure Dipper that his new voice was preferable to his old one. Unfortunately, the bouncer recognizes his voice from an earlier prank call he pulled, and Dipper ends up getting chased not only by the bouncer, but by all of the bar's occupants.

Trivia

 * A beverage name, "Hiirzch" (a reference to Alex Hirsch), is seen around the bar.
 * There is a neon sign in the bar that reads "Neon."
 * They don't serve miners, literally.
 * One biker at the Skull Fracture has a tattoo of a kitten on his palm.