from urban dictionary:

1. L - A spliff rolled using 2 zigs stickied together to form an L shape.
240 up, 137 down


2.L - generally, a blunt. can, in looser application, refer to any rolled marijuana
128 up, 50 down

so ya see, no one is wrong. just need to get it thru ur skulls that there can be more than one answer to a question