I was there that first night her called you. I've seen how he looked at you in pictures. Any bloke with a working prick would be insane not to like you.
I was present the first night she called you, witnessing the moment firsthand. The speaker seems to have a close connection or familiarity with the people involved and recalls the event vividly.
The speaker also mentions noticing how someone looked at the person addressed in photos, implying admiration or affection. They express a strong opinion that any man with normal desires would find the person attractive, emphasizing her appeal.