Why is något in the t form in this situation? Is it possible to say "Du har någon i näsan." or does this sound like "You have someone in your nose." ?
http://upload.wikimedia.org/wikipedia/commons/1/11/Peas_in_pods_-_Studio.jpg (I have no idea does anyone get this.)
Or "en kråka" eller "en kuse", but in the old days "kuse" also ment "häst".