Origin: A reference to the 1967 Star Trek Episode "The Trouble with Tribbles," wherein cute furry creatures multiply at an astronomical rate.
Would you quit tribbling around and get something done?
1) Telling someone that you are doing something but leaving exactly what to the imagination of the reader.
2) To habitually answer a large number of topics on an internet forum regularly, whether constructively or with off-topic and spam.
Kelly: I am tribbling in bed...
Sally has disconnected...