the person who is sent to get coffee for the whole office or group of friends at the beggining of the day. usually on a first name basis with the dunkin donuts person. coffee bitch is usually carrying a 7 to 12 coffee drinks with them. sometimes accompanied by a fellow coffee bitch
"i need my caffiene fix. who's the coffee bitch today?"
"the slut with the red hair who's carrying all the coffee"