white rag
the rag males use to wipe up their semen after masturbation
"Ah, it's time for the white rag." "Do NOT wipe your face with that! It's my white rag!" "Here, douche bag, dry your face with this 'clean' white rag."
Turd on a white rag
something that is not very appealing.
Elisabeth: Let's paint this room purple with yellow stripes!
Tom: That's going to look like a Turd on a White Rag!
Tom: That's going to look like a Turd on a White Rag!
fucking Dr White honkin' jam-rag fucking spunk-bubble
probably the best and most creative insult ever directed at a person, as used by Ben Kingsley in the film Sexy Beast
Aitch, you fucking Dr White honkin' jam-rag fucking spunk-bubble!
If you keep lookin' at me, I'll put you in the fucking ground!
If you keep lookin' at me, I'll put you in the fucking ground!