l337tard
A person who thinks they're the king of texting because they use weird symbols and numbers. They act like they're in a secret club, and you're not invited.
"You spelled 'sick' as '51ck'? That's not even close to cool.", Text from a friend
"You're not a l337tard, you're just a text-monger.", Tweet from a 1337tard
"You said 'leet' like it's the most important word ever.", DM from a 1337tard