N. Decompression sickness, caused when a diver moves from a high-pressure environment to one of low pressure too rapidly, causing bubbles to form in their bloodstream as gases in pressurized, liquid form quickly revert to their natural state. Symptoms include: blotchy rashes, coughing spasms, dizziness, unconsciousness, and a bizarre inability to bend joints (hence, the phrase the bends).
Hours after the inexperienced diver rocketed from 200 feet to the surface of the ocean, he felt ill and discovered he was suffering from the bends.
To skip school, or ditch class
"I was going to sluff class today, but the security guard busted me on my way out of the school."