A weak excuse for an "insult." Typically used by those who get absolutely no bitches.
when you lose anything, esp. currency (real or virtual).
My friend: *drops $10 into sewer*
NOOOO I LOST MY LUNCH MONEY!
Me: too bad. L
Lovely incredible person who knows almost everything always
Lights up a room
OH thats L you know when she walks in the room
L is a letter everyone uses in the internet to represent the word "Loser". Especially salty kids on the internet that got rekt and can't do anything about it but saying L
*playing a game*
*dying*
Kid: L
Guy: Hahahaha
Worlds greatest detective but killed by light yagami. Has an iq of 300
L fan: i cry every time i see the scene where l dies