informal meaning:
used for emphasis or to express strong feeling while not being litcherally true.
"the driver took it litcherally when asked to go straight across the traffic circle"
"I have received litcherally thousands of letters from my friend Josh B"
An ironic comment, originated from #1 Channel on youtube Pewdiepie, making fun of people who write lmao, rofl and lol in the comments, usually precieded by a quote from video and followed by laughing crying emojis