Top Definition
The act of falling asleep, usually within minutes and in the passenger or backseat, during a car trip. It is especially prevalent among those promising to navigate.
Mom gets carcalepsy on the way home from Grandma's every Sunday, but she always wakes up when we try to change the radio station.
by amsterdandi September 10, 2008
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.