a sexual act in which you are receiving a blumpkin. While you are getting one, you finish in her mouth, stand up and shove her head in the toilet; sit down and flush. Will end relationship.
A "Hey man, I was getting a blumpkin and gave her a lowland betrayal"
b "haha nice, she's you're ex now right?"
A "Yup she'll be washing her bathroom and hair for weeks"