An acronym for the phrase "Let me know what you think". On average this can save approximately 7 to 15 seconds to the average typer. Depending on how competent one is at text messaging; this may save some individuals several minutes. ie your mother or age greater than 40.
In txt message format. "hey man check outud's word of the for oct 4! lmkwyt!
'let me know when you wanna fuck'
used by desperate little prick men with really small penises who have horrible haircuts and dont know how to treat women and also think they are fucking batman or something
'Did you see he has lmkwywf in his bio? That means he is a massivemanwhore!'