marks out of two
To rate a girl with your mates who is in earshot but without her knowing. Taken from the statement "I'd give her one!" or two meaning "I wouldn't touch her with yours!"
Dan: "Marks out of two?"
Rob: "I think one"
Dan: "Yep"
Sally: "What are you taking about?"
Rob: "Binary scoring systems for...."
Dan: "Want to go for a drink later Sally?"
Rob: "I think one"
Dan: "Yep"
Sally: "What are you taking about?"
Rob: "Binary scoring systems for...."
Dan: "Want to go for a drink later Sally?"