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1. TLA
Three-Letter-Acronym
TLA is a three-letter-acronym for three-letter-acronyms
by uncle tom Dec 13, 2004 share this add a video
2. TLA
Stands for "Three Letter Acronym" or "Three letter abbreviation". See also XTLA.
ATM is a common TLA, or BMW, or XML and so on.
3. tla
Three Letter Acronym. Slightly shorter and more common than FFLAs
Web developers are filled with TLAs.
by denied Jan 23, 2003 share this add a video
4. tla
True Love Always
- One Tree Hill

...need i say more? :P
It always have been and will be Lucas and Peyton, TLA (True Love Always).
5. TLA
The perfect amount of beer left in a can that is just over the acceptable limit that people who finish their beers would allow. The TL Amount is unacceptable and should be called out anytime one is found. Possible times include rounds of DDD, usually resulting in many TLA's, and Bowser coming in 4th place on the rainbow road.

TLA also coincides with Too much Left Amount.
When you do the thing with the thing, and leave a TLA sitting around. T is known for creating the TLA.
6. TLA
Titty Licking Action
Person #1: I was totally got to second base last night.... with my tongue
Person #2: That's some serious TLA
7. TLA
Textual Laugh Attack

When you receive a message that's so hilarious you laugh out loud and type in HAHAHAHAHAHAHAHAH as you text. This is known as a textual laugh attack.
Person #1: Hey, guess what?
Person #2: What?
Person #1: Penis!
Person #2: HAHAHAHAHAHAHAHAHA
Person #1: omg, you just TLA'd!