Here’s the full context. The character is a foul mouthed perverted London stock exchange trader who often blurts out crude comments to everyone at work. He’s talking avout his Christmas break, I believe Di is his fiance:

“Christmas at Di’s. Her dad’s so posh he’s basically disabled. I think the mom’s depressed. Three wines in, she started calling me her Chutney Prince! Mild incident when Di found my viagra…..Xmas lad! Beak and bubbles neuters me, old boy becomes a slug.”