A face, similar to ^//^ and/or >//< . The o//o is a blushing face, however the eyes are open in shock or disbelief. This is not usually used as a positive way of blushing, such as ^//^ would be. o//o is usually used when someone is embarrassed or surprised.
This is the common symbol among lesbis or bi chicks to represent two lesbians about to do scissoring. Also referred to as tribadism or tribbing. It is a real thing.
"Hey Megan want to??? o/--/o" "Oh yes Steph come over rite tf now lets get slippery!!!!!"