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If you call someone a tnuc, you are calling them a backward cunt. In other words, they are not only a cunt but retarded as well
Jesus he's a tnuc
Look at that tnuc over there
by Harry Gumboot December 12, 2008
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Used by I.T. Professionals to address or describe people who are stupid or irritating or ridiculous
What a Tnuc
Fucking stupid Tnuc
I cant beleive he is such a Tnuc
by Gerald Anderson May 29, 2006
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t-n-u-c: 'Thinking Normal Understand Cannot'
**see also: tnuc-ly, cunt, cuntly, etc...**
"That tnuc was acting quite tnuc-ly!"

OR
"That cunt was acting quite cuntly!"
by blyss877 January 07, 2010
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look at that copper he/she is a real tnuc
by ozimandis September 19, 2003
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A being that resembles The Incredible Hulk in most ways, other than colour.
Hulk be green, Tnuc be orange.

Tnuc isn't a pussy in its human form.
Holy shit it's Tnuc!!

Tnuc smash!

I once saw Tnuc, but it raped me.
by Le Passenger May 19, 2008
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TNUC- noun, or adjective. Pronounced (Ta-Nook) the spelling of the word CUNT backwards to be able to call a woman a CUNT to her face without getting kicked in the balls as a result of it…
Quit being such a TNUC..... and go make me a sandwich....
by BST-firg January 31, 2011
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