To be lost or momentarily interrupted.
To leave (school, a race, etc.) prematurely and voluntarily.
Used other than figuratively or idiomatically: see drop, out.
To opt out of conventional society.
To disturb the status quo or go against rules or conventions, as in an effort to get attention.
I'd just jump in and fix it, but that's not my job, and I don't want to rock the boat.