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

Watch: 'Stranger Things' cast review '80s fads.

'Stranger Things' returns with Season 2 tonight, and thus, content from the cast has proliferated the Internet today - the latest being this interview with the show’s Joe Keery, Natalia Dyer, and Dacre Montgomery reviewing fads of the '80s.

Watch the investigation play out below...

P.S. Click here to read our latest interview with Joe.