Fucking Four Letter Acronym. Generally used to illustrate to someone that they use too many TLAs.
Your presentation had so many TLAs in it, you should consider stepping up to FFLAs.
by denied January 23, 2003
Can you define these popular missing words?
Acronym for Fuckin' Four Letter Acronym. Better than a TLA (Three Letter Acronym). See Government Agencies.
When I was your age, we were happy with TLA's. You kids with your FFLA's! Jesus!
by YetAnotherHeavyD March 04, 2010