Falala is an expression you can use when you have nothing to say or cant think of anything nice to tell anyone.
When your in an argument and cant defend yourself, or cant back up your argument yell
FALALA give a real mean stare down and walk away as easy as that.
demonic, ghost-like entities heard to be seen after listening to music for long periods of time, usually heavy/thrash/death metal
also: what seems to be the first real lyric in the song Ruin by Lamb of God
"HOLY SHIT last night i was listening to music when out of nowhere i was attacked by all these falaylays! they were fucking everywhere! it freaked me out!"