Spread your hand out and point to each finger and say "I . . . don't . . . give . . . a . . . fuck". It means I could care less, whatever you say or do has no effect on me. It is used when it is inappropriate to actually say "I don't give a fuck"
Boss: I'm gonna have to suspend you for 2 days.

Me: Rule of 5.

Ex-girlfriend: If you don't go to the concert with me I'm gonna break up with you.

Me: Rule of 5.
by sunkeyeno.3 July 22, 2011

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.