Probably originated in internet chat rooms by morons with no lives. Stands for "Lets talk again" and considered very lame by most. Commonly used when signing off and mostly by those who rape the English language with excessive shorthand.
Cool Dude: "Alright, later man."
Lame raper: "lta"
Cool Dude: "WTF
love to all usual used when talking to large groups of people.
GIRL1: bye gurls i (gtg) (ttyl)
GIRL2:BYEE LUV U GIRLYY
Slang for Lantana FL. A Small town south of west palm beach. It is located in between Lake Worth & Boynton Beach(two very bad cities), and has a high crime rate of its own. LTA is a term used by gangs and thugs in the area.
Man skrait posted, allll day, LTA fuck nigga. San Castle, North Broadway, 14th St Stand Up My Niggas