Andy Cohen was beside himself, and Fallon could hardly catch his breath.
It all went down on Thursday's episode of "Watch What Happens Live."
Among the moments the "Tonight Show" host took on were Ramona Singer's highly uncomfortable runway walk, Erika Jayne's "pat the puss" hand swipe, Alex McCord's Scary Island shimmy, Lisa Rinna's art of seduction, Kyle Richards' ponytail twirl (yes, Andy handed him a wig) and NeNe Leakes' pre-Bye Wig party leg kick.
Cohen was beside himself, and Fallon could hardly catch his breath.
As Housewives fans lost their collective minds on social media, so did one of the women Jimmy impersonated.
And judging from Rinna's choice of emojis, we're guessing she approves.
Got a story or a tip for us? Email TooFab editors at email@example.com.