What is Ltns?
1.
Short form of "long time no see"
Usually used on the internet.
Some guy: Hey, I'm back from the crash!
Some other guy: Wow, ltns!
Some guy: LTNS?
Some other guy: it means long time no see
See 
2.
Acronym: Long Time No Speak
Used primarily on the Internet and in SMS messages.
Person: Hey!
You: Hey! LTNS! How are you?
3.
short for "eliteness". (eLiTeNeSs) mostly used by gamers, script-kiddies and other nerds.
-kid1 "heY, i tot4lly
pwned thatn00b ."
-kid2 "LTNS !!!!!!!!1111"
Random Words:
1. 
An exclamation declaring that one's nuts have indeed just been bobcatted. 
Not to be confused with the phrase: "bobcat your n..