Her bun is abnormally large! What a nub.
He can't even make himself a peanut butter and jelly sandwich? What a nub.
What do you think is the nub of the problem?.
... Now, a TPM is like that. It's a nub of stable certainty: if it's there, it can reliably ...
... what's interesting to me is that once he establishes this tiny little nub of certainty, a kind ...