A1 means excellent.in good health.it is an adj expressing excellence.
pure coke -- no baking soda
A-1 yola, coka cola, nigga coke is it, but not the soda
A1 is the equavlient to dime peice, gravy, any thing that is off the hook
that girl is A1
Someone who is good, genuine, nice, etc. See also Sound
That girl bought me a double Aftershock. She's A1.
A girl and/or boy that is cute or desirable.
Girl 1: he is so cute.
Girl 2: omg yea he's definitely A1