Arschbumsen

German term that describes the inserting of one's penis into the rectum of a male/female human or animal.

GERMAN: Das Arschbumsen seines Kaninchens hat dem kleinen Guido viel Freude bereitet.
ENGLISH: The bum-fuck of his bunny gave little Guido a lot of pleasure.

by Keyser Söze, PhD February 01, 2010