Jab men nahi dekh raha tha tou tumne mujhe chubaya / chutki nochi

How to say “Jab men nahi dekh raha tha tou tumne mujhe chubaya” in English

When you want to say “Jab men nahi dekh raha tha tou tumne mujhe chubaya” (or “chutki nochi”) in English, the natural, everyday way is “You pinched me when I wasn't looking”. It fits everyday talk.