To lift one’s leg in the air, like a cat, and reveal one’s butthole. Often done spontaneously and to surprise others. Requires flexibility to lift one’s leg nearly vertically. See film Cats (2019) for reference.
Girl to friend: Can you believe Britney?! She just Judi-Denched herself and then kissed her boyfriend. Iconic.
Chad: Bro, I met this girl on Tinder that wants to watch me Dench. Should I go for it?
To completely and utterly verbally beat someone down with minimum effort, usually in a single senteance, phrase or word, sometimes in comparison to the verbally owned downs long amount of speaking.
Originates from Judi Dench in the Bonds film ability to own some of the greatest people of Earth with minimal effort, notably the opening cut scenes of James Bond video game, Blood Stone