Acronyms such as ttyl or bffl?

You're referring to acronyms used in online communication, often in texting and messaging. Here's a breakdown of the ones you mentioned and some other common examples:

The Ones You Mentioned:

* TTYL: This stands for "Talk to you later."

* BFFL: This stands for "Best Friends Forever, Ladies" (sometimes "Best Friends For Life").

Other Common Acronyms:

* LOL: Laughing Out Loud

* BRB: Be Right Back

* OMG: Oh My God

* AFK: Away From Keyboard

* IMO: In My Opinion

* BTW: By The Way

* ICYMI: In Case You Missed It

* SMH: Shaking My Head

* Lmk: Let Me Know

* GTG: Got to Go

* WBU: What About You?

* JK: Just Kidding

* ILY: I Love You

* NVM: Never Mind

Important Note:

These acronyms are frequently used in informal online communication, but they may not be understood by everyone. It's good practice to use them sparingly and to be aware of your audience when choosing to use them.