coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

Alex Lawther on the cover of JÓN magazine, Issue #19.

'The End Of The Fucking World' actor Alex Lawther features on the cover of the latest issue of London-based men's fashion magazine, JÓN, as photographed by Eddie Blagbrough and styled by Stephen Conway.