A weasel word is a modifier that almost contradicts the claim that is made.
So identify the weasel word and get out the two definitions - and show that somebody is flipping one or the other - is the way to do that.
The police report was filled with weasel words.
But if you return to my original assertion, you will notice some more weasel words.
When the thief was being questioned by the police, he tried to fool them with weasel words.
