Used to express laughter, often in a sarcastic fashion.(interjection)
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Use "lolz" in a sentence
"Sarah Palin hacker trial provides 'lolz' courtesy of 4chan founder"
"Comic Sans must be eradicated from this earth - God, how I hate its forced matey jokiness, the typographical equivalent of using a smiley face or writing 'lolz' at the end of a sentence."
"JVoltage Finally taught my phone the word "lolz", proudest moment all day, given that I am watching sports and debating ordering my textbooks at last"