Scout's Honor. Signifies the pinky held down with the other three fingers raised. Used in a situation where more than just one's own word is needed. Most often not used by a Boy Scout.

Acronym for Living Like Larry, it was once stated in a Spongebob Squarepants episode. It means that you live life to the fulliest, take risks every now and then, and that you only live once. New saying beside YOLO.

Long Lasting Love; a love that goes beyond passion and raw emotion.

Loony Liberal Left, as represented in blogs and forums by LLL or 3L. Sometimes ironic or satirical statements will be followed by the modifier /LLL as in "Looniness OFF".

laughing laughing laughing. Not just a short laugh. Not just a laugh out loud. But a prolonged laugh of good length.

Lovely Lady Lumps. Used to talk about a girl's breasts or butt.

*LLL* use in the end of a short message; signify: L Loves L'

L = Name of boy starting with the letter L
L' = Name of girl starting with the letter L

or versa;

Eks:
Luan Loves Lene
Lene Loves Luan