How to pronounce“loopt”in English

So I go and load my Looptastic.

He decided that retrograde motion—planets seemingly traveling around in loopty-loops!—was an “astronomical monster,” an obvious impossibility.

zo ziet het eruit als je niet vaak buiten in de zon loopt.

Just this blue blur ripping across the screen, running through loopty loops.

So I remember standing there, on the grass, next to the Pigeon River, butterflies doing loopty loops in the air, and I had my own moment of wonder.