When used by professionals or adults, this means Let You Know.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.

An abbreviation for "let you know"

"Like" gone retarded.

A really stupid way of saying "like" used by teenage girls while Iming each other.

An altercation of the word like, used by individuals who feel that typing an extra letter is unecessary, and feel the cause of doing so is not worthy in the result of sounding half intelligent.

Means that the person using it has an IQ of half of what it was originally.