That period of time you wait after getting a notification on Facebook before responding to avoid looking like a total creeper.
Instant responding to facebook notifications only lead to self inflicted cock blocking
waiting time should be a minimum of 5-10 mins before responding to keep the creeper tag off you.
John: Oh shit Kelly just sent me a message what do I say?!?!
Alex: woah slow down man your in no rush
John: Fuck I already sent a dumbass response...
Alex: You gotta work on your facebook lag man...you can
always get her ugly friend.
John: Fuck off