To let someone know there is a person of authority nearby e.g a teacher.
Yab!
(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.
(Y)oung (A)vailable (B)achelor, also used to describe someone who is not all there. Generally used to describe ppl who live on the streets that have a personality.
Look at that guy with no shirt, holding a beer, wearing thongs and stinking up the town - what a yab.
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."
The Art of sex through the nostril.
"I fancy going yabbing" "Rob was getting Yabbed by Chris"