turn on its head
/tɜːn ɔn ɪʔ.s ˈhɛd/
to completely change something's direction or meaning
“The new theory will turn on its head everything we know.”Add to my deck
/tɜːn ɔn ɪʔ.s ˈhɛd/
to completely change something's direction or meaning
“The new theory will turn on its head everything we know.”Add to my deck