Is a slang or shortened term for "Lazer" or lazers just take out the vowels.
Wow that a sweet Lzr!
OMG Lzr is so good! (if a nickname)
Is a sland term for BTW / or by the way. Used when you don't wanna say "By the way"
Yo B.T.DUBS. i saw ya on the weekend!
B.T.DUBS. a answer is 5.
邮件由 email@example.com 发出。我们决不会发送垃圾邮件。