L stands for Losing. When you hand out L's to other people, for example in a game, means you fucked them.
I handed out some L's in yesterday's Mario Kart session.
Fuck! This guy gave me just L's, I hope I can win one day against him.
A person who uses the carrot as a pipe to get a hit. Mostly weed is used.
Hey man, do you want to play ball tonight?
Sorry, man I hit that carrot in the morning, can't do it. Sheesh
Fuck man, you are a real carrot hitter.