1.
Same as cya/ see ya/see you. Usually in an enthusiastic setting.
Gtg. Right now. To the party. Cyah! :D
See cya, bye, later, goodbye, ttyl, g2g, peace, gtg, brb, ciao, l8r, see, ya, you, adios, out, hello, bai, laters, inabit, see you later, seeya, hi, lata, farewell, aloha, 2murro, cu, laterz, late, ty, hey, goodnight, tata, bmf, bye bye, sha