What is Friends Only?
1.
Phrase used after saying something sexual to the opposite sex without actually implying a relationship .
Similar to 
"Hey, would you let me tap that? Friends Only."
"Sex? friends only though"
See 
2.
A characteristic of blogging site like 
it allows you to write entries that can only be read by the people on your 
"my journal is friends only"
"i made a friends only entry"
See 
Random Words:
1. 
An ideal place or perfect society...where everyone is fucking.
Man, I heard the party this weekend is going to be a fuckatopia!
See fu..