"Lan" is a slang word (similar to "dude" or "man," but can be rude depending on tone). Only use it with close friends.
It is used in videos showing someone struggling to get out of bed or being forced to wake up in a "tough love" manner. Lan Oglum Kalk
(literally "Man, son, get up") is a slang-heavy Turkish phrase often used as a comedic wake-up call, a meme, or a lyric in alternative Turkish music. Depending on where you encountered it, it serves different purposes: 1. The Song by "Nefs" "Lan" is a slang word (similar to "dude"