When a man notices a trait or action displayed by his significant other which strongly resembles characteristics similar to those of his mother-in-law.
Baby stop making those animal noises, I’m not enjoying that Libby-ism.
Her-Daniel what time did you book the table?
Him-8pm
Her- well make sure you’re ready at 6, we don’t want to be late.
Him- it’s three blocks away
Her- I don’t want to risk being late
Him- not another Libby-ism