Used informally, often among friends or family for quick conversations. I've become the family texter, updating everyone about the plans.
Pro Tip 2/3
Frequent Use
Describes someone who often sends messages, possibly ignoring social etiquette. During dinner, he's such a texter, forgetting to join the conversation.
Pro Tip 3/3
Sociable
May imply a person is social and stays connected with others. She's the main texter in our group, always chatting with someone.