Refers to a block or obstacle that prevents the user from attaining his or her goal. A sort of happy coincidence.
Bill: "Man, I can't marry Bianca until her bitch sister gets hitched!"
Will: "Neither can I!"
Bill: "Well, I guess this bar in the law makes us friends."
-Taming of the Shrew
john: why is there a giant health barin the sky other john: sub to headshot craft
other john: hey johns can you talk a little quieter? I'm trying to watch hentai