best friends for life - e.g. a load of bullshit used by teenages bitches to get things from others.
A constant change in 'BFFL' should logically mean that it should be called 'BFFAFMTIDYFSMP' - Best friends for about five minutes then i ditch you for someone more popular.
The point is, if someone calls you there 'bffl' stay away, if they ment it they would take the time to say 'best friends' and not the bullshit shortened version :)
'oh hey'
'hi there'
'just thought i'd let you know your my bffl'
'omg, your mine too. ily.'
'ily more babe. Now can you dump your boyfriend because i want to fuck him.'
Best Friend, Future Lover. A term of endearment towards an individual who currently exists as your best friend. However, both of you know at some point in the not-so-distant future you will be lovers
This is when you place toilet roll into the toilet before you take a poo and prevent any back splashgoing up your o-valve.
Wife: you took ages, you must have had a massive poo. any splash back?
Husband: no darling don't worry. my hole is dry because i used the pap baffle
Wife: you're a clever lad!