a word used to describe the feeling of tripping on a hallucinogen such as LSD, shrooms, Ayahuasca, etc.
No I can't go to the fundraising event, I'm fuckin yonked out of my mind.
by Toe Knee226 February 18, 2014
The act of shooting saliva from the glands below your tongue
Sometimes when you open your mouth spit uncontrollably flies out. You would say, "Sorry I yonked."
by Boker December 02, 2006