Top Definition
When an elderly person leaves their blinker on while on the freeway. The blinker remains on indefinitely.
Driver "Their blinker has been on for 5 miles now."

Passenger "oh, that is probably just a lummifleeboster."
by Barking frog November 30, 2013

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.

×