n. The situation in which a man waits too long to ask a girl out and she moves on to another guy, putting him in an immoveable friendship. This situation is almost always permanent.
J- "Hey man you've been looking upset lately. Did something happen with Katie?'
T- "No man, and that's the problem. I'm on friend lock!"
T- "No man, and that's the problem. I'm on friend lock!"
by Rock-ME-Hardplace March 07, 2010
When you and a friend go on two or more adventures together and are automatically required to be best friends for life.
What do you mean you don't want to be friends anymore? We went to sweet water creek and Stone Mountain together, we're on friend-lock!!!
by tinyt May 15, 2017