an exclamitory word. it is used when one randomly sneaks up upon an unsuspecting victim, preceded by violently screaming "YING!" in their ear, thereby scaring the shit out of them.
"dude i just yinged the shit out of those beaners mowing that lawn. you should have seen them run back to mexico!"
Yang said "Hey Ying, you suck?"
Ying repied " Yeah, lets swim together, I know just love swimming with me, Ying."
Yang than replied "Keep circling me Ying, you circle jerk."
A word said in reaction to an absurd or ridiculous statement, comment, action, etc. Can also be said in reaction to something such as article of clothing, a situation, a person, a place, or thing.
Guy #1: Hopefully some beezy's come over tonight who want to drink and have sex...
Guy #2: Oh Ying, like that would ever happen.
or
White nerdy kid: (walks up wearing baggy jeans, a tall tee, and forces) Check this out dude I'm dressed like thug nation for this party tonight.
His Friend: Ying.., I am definitely going to hit up someone else to go to this party with.