He told his girlfriend about the joke being played between two guys and how it was played with me.
The Prick:
You know what girls say when they see a big penis.
Man 2: I don’t know.
Guy 1: And I know... and a measured planned laugh.
They both laughed. The meaning of a good joke if the interlocutor says I don’t know...
The question of my girlfriend. Did you say I don’t know?
and :(