Top Definition
Used on D-Day to differentiate allied troops from axis ones. Seen in "Saving Private Ryan"

This code can also be used during night time games or sneaking out as a means of clandestine communication without being detected between two or more people.
Jim: Lightning?
Bob: (sneaking around during a game of ctf) Thunder!...jeez u scared the s*** out of me.
Jim: I was about to tag you too you took forever to reply "lightning...thunder".
by kafrattta May 14, 2009
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.

×