friend creep 

When an ex or current partner begins adding your social media friends to their account without your knowledge.

Lori is again on her mission of friend creep. This past week she has added 10 of my friends on different social media sites.

friend creep by Mr. Creston August 31, 2013

Lady friend creep law 

The amount of photos a man can look at his friends lady's Facebook.
All the man can do is look through the profiles pictures of his friends lady once and that is all.

1: dude I looked through your lady's pictures like 5 times last night!
2: bro you can't do that, that's against the lady friend creep law!

Lady friend creep law by Bro445 July 4, 2011

Creep friend

verb. to friend someone you don't know on Facebook because you know someone important to them (girlfriend, sibling, etc.)

Beth has never met my boyfriend, but she decided to creep friend him anyway.

Creep friend by creepfriended April 24, 2011