The sensation that becomes travelers after 5+ hours in the car, particularly when driving at night. Road trip Insanity includes saying things that don't make sense, laughing hysterically at things that are not funny, and a general sense of "loopey-ness"
Once travelers have reached the point of Road Trip Insanity, there is not turning back.
Bob- I'm validated!
Tom- I'm inebriated!

Sally- Looks like you guys have a bad case of Road Trip Insanity.
by roadmaster1217 October 11, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×