Texter's "I'm away for a moment"

• "I'm away from the computer for a few minutes," in three letters
• "One sec, gotta talk 2 my parents quickly"
• "I'll return shortly," in a text
• IM shorthand while running to the bathroom
• "I need a short break," in chat rooms
• "I need to step away from the conversation for a second," in a text
• Palindromic "Hang tight" text
• "Gimme a sec," in chats
• Texter's "I will return shortly"

Wiktionary Word definitions in Wiktionary
init. (alternative case form of BRB nodot=1 English) (gloss: be right back).