"Ik wil je in een doosje stoppen."
Translation:I want to put you in a little box.
Well it comes from a poem by annie mg schmidt(famous children's book writer). https://www.margriet.nl/in-en-om-het-huis/koken/doosje-annie-m-g/ It kind of means when you find someone very cute/nice etc you want to stop it in a box so it always with you. It sounds creepy but it isn't