LAFD is a beanie used by the youtuber/streamer QuackityHQ it originally stands for Los Angeles Fire Department. But he has changed it around and in his book it stands for Laugh And Fuck Dominos Pizza
When someone on internet get involved in a fight. One can participate (or spectate) in E-lafda on edgy meme pages/groups, YouTube, Reddit, Twitter, discord etc.
Karl : "Damn!! He got roasted".
Chatur : "That's why you shouldn't be doing E-lafda with a Bengoli".
A person holding cum in their mouth so it may be dipped out with chips for consumption. She may also spit the dip onto the chips like a fountain...hence LaFountain.
Your mom just had some of my LaFountain dip out of your sisters mouth.
Your mom just LaFountained all over those chips with my gorilla grease. I would stop eating those if I were you.