Student: Here's my homework; (pretends to hand it over) I wrote it on magic paper that only wizards can see and touch.
Teacher: That excuse is untenable. You still get a zero and detention.
Example 2
Person A: I'm telling you; Jesus really exists in the communion wafers of the Eucharist. Transubstantiation is irrefutable because sacred scripture and church doctrine supports it.
Person B: No, That's not irrefutable, that claim is untenable! The church has no palpable proof themselves, only St. Thomas Aquinas's word games. All that faith in your head has mushed the brain out of your ears.
Person A: Heathen! You know in your heart that God is real and that he loves you!
Person B: That's also untenable. But I'm not saying that I can prove you to be wrong.
"Steps into Summer" is untertainment at its very finest, and will be warmly welcomed by those who watch TV with a shotgun in their mouth, trying to pluck up the courage.
(as quoted from TV critic Charlie Brooker)
Text message without meaning. As the result of late night "drunk texting" or simple mistyping untext's are created thus causing text replies like WTF and so on.
OMG becomes PIG, LOL becomes MOM etc.. thus making text message undecipherable thus the UNTEXT
Although entirely intelligent and seemingly accomplished as a professional in her field of psychology, she frequently demonstrated when we were hanging out together just how truly untethered she was.