one who is constantly glued to his/her cell phone;
one who talks loudly on cell phone in public places like movie halls;
one who can't help showing off his/her latest cell phone model;
one for whom,the pricier and slicker the cell phone,higher the social status.
Mamta is such a celllicker-she kept on chatting on her phone even during a special family dinner.Her cell was licked but sadly,not the food.