It basically means if you say one of the following you don’t care at all about the aim conversation you are having with some one.
You do that
You don’t say
… so on
Some one who uses an lcr, they are defend as : lame annoying epic fail waste of your life. Lcr's are nicer then being ignored. But if your doing something else at the moment just say brb or something other than wasting the other persons time with lame responses
Epicfail: hey nm u?
Person343: nothing much, my grandpa just died
Person343: yeah.. he was like 99
Epicfail: i see
Person343:I got a new dog
Person343: becky got prego
Epicfail: that’s nice
Person343: k well as fun as it is to talk to you, I need to go put my hand in a blinder
Epicfail: you do that
Person343: go fucking kill your self
See how irritating that is? way to many lcr's