Top definition
Where you have a particular form of greeting with each idividual friend.

These may be anything from a handshake(1), to a sound effect(2), or just a pj(3).
(1)
You: hey!
Friend: hey!
*handshakes*
Bystanders: Oh cool hanshake!

(2)
You: hey! *bthrumms*
Another Friend: *brthumms & and giggles*
Bystanders: Oh ahaha funny sound effects!

(3)
You: ICEE CREEAAM MAANS COMMINGG!
Yet Another Friend: MUMMAY! ICEE CREAMM MAAN!
Bystanders: ?

NOTE: Friendship Systems are associated with egg-uberant people only.
by natalie sthoup August 05, 2010
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