It's bonding time for Hannah and Jemma in this Girls scene. It's from the episode "I Get Ideas."
Added:

Girls Season 2 Episode 2 Quotes

I know I always said he was murdery in a sexy way, but maybe he's murdery in a murder way.

Hannah

It was like 3 pumps, 2 and a half pumps and then I lost my boner.

Elijah