NAhaha

Something that is Not Actually haha (funny)

The opposite of BAHAHAHA

Andrew: "Oh Roz, you crack me up.
Ben is referencing a document of polite Britishisms and their translations, such as "I'm sure it's my fault" = "It's totally your fault." Or "Roz, you're awesome!" = ...well, you can work that one out yourself"

Roz: "NAhaha"