Amy Walker

[Thanks to TTL]

And what a bonny lass she is too. And she's a writer and comedian, some people get all the talent. (Not that their lives are usually easier for that!) Here's her utoob channel.
Here's an interview with her, about her rapid viral stardom.

TC[Girl] recommends this sketch by Amy.
TCG also confirms the accuracy of what women are doing all that time in the Ladies'. (Speaking for my own gender, the Gents' is really not a place you feel like lingering.)