Top Definition
Its is to be lost in space, to have very little brain function and have no awareness of what is going on around you. Commonly happens when a person is stoned/and or driving.
Person One: "Did you hear what I just said?"
Person Two: "No sorry I was gapping out"

by Trizzzz April 08, 2006

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.