LLAFT Share definition Flag The acronym LLAFT is a derivative of the well known acronym LAF meaning "Lit as fuck". LLAFT obviously means "Lit like a fire truck". "Hey dude, the other night I got lit... I was LLAFT." LLAFT by ChuckedUpWords February 7, 2017 0 0 Get merch Get the LLAFT mug. Buy Now — $32.95 See more merch