Shorthand for yabai (ヤバイ) , a very flexible japanese word that means something crazy (usually dangerous) has happened. Popularized in virtual youtuber chat room.
> A youtuber is reviewing NSFW artwork of herself
> Accidentally showed a loli version
> Viewers: YAB
A slang term for taking a dab, which is a potent cannabis concentrate.
Bill : "do you wanna go yab right now."
Andrew: "hell yeah."
Tyler: "yo you should go take a yab."
Jimmy: "i'm already yabbed out, maybe later."
To let someone know there is a person of authority nearby e.g a teacher.
Yab!
The Art of sex through the nostril.
"I fancy going yabbing" "Rob was getting Yabbed by Chris"
(Y)ou (A)re (B)anned.
Also my sexual god.
Yab gave drkay and DouXXX teh BuTTsEcKz11!1!1
(Your Average Blond) A fair-haired woman who is simply average to proper male standards.
I approached that group, but it was all yabs... a total yabbage cabbage.