When two females rub each other's vagina's together, resulting in one or both of them to reach orgasm.
I seen two females tribbling last night.
by Ryan.O. April 9, 2007
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Tribbling is when one passes gas and it makes a purring sound as it leaves the anus, similar to the trill of the creatures from the Star Trek episode, "The Trouble With Tribbles".
OH my god, I was just tribbling. I just farted and it sounded like a Star Trek tribble. I don't why that made me think of you, but it did.
by Jared's brother September 1, 2010
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Verb:

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.
1) Sally: What are you up to?
Kelly: I am tribbling in bed...
Sally: erm?!
Sally has disconnected...
by l337 Spanner August 9, 2009
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A creature from Star Trek that breeds like crazy. Wiped out by the Klingons, but a starship from the future brought one back into its own time, thus restoring the species.
Tribbles are so cute but so prolific.
by Korora November 18, 2003
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1. PURE EVIL
2. A ball of fluff that procreates rapidly and drains an entire species of resources until they collapse. The species does not notice because the tribbles are "cute."

3. Parasite, abomination
The tribble was taken onboard the ship of unsuspecting idiot Earthlings who figured it was a cute pet. THEY WERE WRONG.
by Appayipyip42 June 29, 2011
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A mysterious formation of matted hair which periodically collects on the surface of one's bathtub or shower drain.
"What the <beep> is that!? Oh...it's just a tribble."
by M1LESperH0UR April 17, 2012
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n. the word essentially means to mate like rabbits. It is commonly used in the place of other explitives.

Origin: A reference to the 1967 Star Trek Episode "The Trouble with Tribbles," wherein cute furry creatures multiply at an astronomical rate.

She is such a tribbling ho.

Would you quit tribbling around and get something done?
by Red Smith March 6, 2007
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