To fall asleep, usually a deep sleep. It happens after a long day or doing drugs, commonly happening quickly or without warning. It may be one of the best kinds of sleep.

When some one has passed out.

When you or someone is asleep and will not wake up.

v. A subtle way of asking someone to fuck.

To receive a score of 0 when playing zonk.

When a man falls asleep in basketball shorts or loose boxers allowing his wiener to become visible through the leg hole.