asta miata mi chika

Question

i heard this and thought it would be a good private thing between me and a few people.2 things if possible.
1)what does it mean?
2) anything different i could say instead.

p.s i want it to say goodbye my sweetheart, babe, darling...something along those lines, that i can say to my female mates as a private thing.

thank you.
sambo

Answer 1

i am under the impression (through a mates 'translation') : good bye my chika

Answer 2

im thinking its asta mañana mi chica or something like that
which is See you tomorrow my girl

to the ps u couls say
adios miamor
adios bebe
adios querida
something like that!!