Txtaby (noun) refers to the exchange of brief written lullabys between mobile phones over cellular networks before going to bed or during the time frame of relaxation before REM sleep.
"You forgot to text me last night, You know I can't sleep without my txtaby" - "Sorry, I ran out of minutes."
by I2ustySpork February 2, 2010
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Person 1: Did you hear? John gave Susan a textaby last night.
Person 2: Aww how sweet!
Person 1: Yeah, but thank god he didn't sing it. His voice sounds like a cat eating sandpaper.
Person 2: Aww how sweet!
Person 1: Yeah, but thank god he didn't sing it. His voice sounds like a cat eating sandpaper.
by Fireheart July 29, 2010
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