A fight leading to separation. This can occur in any relationship, including families and frinedships. The separated parties generally pretend that those on the other side no longer exist.
Mike: Should we stay at Jeff's place tonight?
Tim: No way man. Me and him had a falling out.
having your heart ripped out because you love someone but you don't see a future with them and you can't really break up with them because you don't have a legitimate reason for breaking up with the other person beside you don't feel like being with them anymore.
person 1: dude what's wrong?
person 2: I'm falling out of love with my girl
person 1: that sucks
person 2 : It does, because I don't know what to do about it
A term meaning 'to lose consciousness' due to a person's over consumption of GHB. Minutes and/or, sometimes, hours later, they tend to regain consciousness and are, fully awake, cognizant of their environment.
She can't handle her G, honey, she's about to fall out.
or
We call Adrian "Fall Out Boy" as he is often falling out at every party.