1. A person on the inside track to becoming your boyfriend or
girlfriend with whom you are not yet official.
2. A person who you would like to have as your boyfriend or
girlfriend but when there is something stopping that from happening.
{Comes from the term of endearment boo. Used on people your flirting with to make them feel special. Boo friend is an unofficial relationship state used to describe anyone you are using that term on who you really like or would like to possibly date in the future.}
1. I'd like to date John but we just
met, so for now hes just my boo friend.
2. I'd like to date Robert but hes going off to college and I dont do long
distance, so for now hes just my boo friend.