bloody mary in bed
When you go down on a girl on her period and you come up with red mustache and then you make an "ok sign" with your hand and you put it to your eye like a monacle and you speak with an English accent.
Blimey Erin! When you said you were up for it I was dodgy but that was brilliant! Your strawberry creams are the dogs bollocks but I can't believe you gave me a Bloody Mary in bed!"