Crumper is a derogatory term used against british people. It comes from the word crumpet (= someone who eats crumpet), following the stereotype that british people eat crumpets.
When the girl you are having sex with is doing the work on top and once your D*** falls out of her P**** (while you still have a boner) she sits on it and it bends backwards in an uncomfortable position.
1. A person or persons who make your life more difficult by overworking you. This person usually has authority or seniority over you and is always busting your balls to make you do things.
2. A breakdance move that involves waving your arms and hands near your genitals repeatedly.
1. My dad yelled at me all day to finish my school project so I think he is such a Nut Crumper.
2. Did you see that man doing the nut crumper dance, waving his arms towards his balls looking like he was masturbating with both hands?
A sexual position and act wherein a man lies on his back. The woman with her back facing him, squats over him while engaging in anal sex. Upon finishing the woman unloads her fecal matter onto the man.
Crumberg or Crum is an affectionate term deemed to an acquaintance's
significant other. Typically used in anger when the said acquaintance is unavailable for an event due to other plans involving his/her Crum.
Person 1: "Hey is Jordan going to the party tonight?"
Person 2: "Nah he's watching a film with his Crum"
Person 1: " Awh man he's always with his Crumberg now"