Defined as laugh wan kill me die, used to denote great amusement in a chat conversation.
Although it's not as popular as LOL(Laugh out loud) , which has been over used to a point it lost it's meaning because nobody really laughs out loud.
Guy: You see wetin Pusha T do Drake? 😂
Guy 2: Yeah! LWKMD!
It means 'the reason is'.
The man slap am sake of say him steal wrist watch.
I no fit tolerate am sake of say him na my guy.
["Reason", " Because"]
Origin: Port Harcourt