Possible Clues:

• Comparisons concerning the nose
• Under the broken door there's nothing up the noses of you and me
• Sounds as if one knows how to get round the broken door with us
• A broken 6 down needs nothing to get us up your nose (7)
• O, do get sour and sent, by the sound of it
• That stinker is nothing to do with the sour twist
• Oh, do get sour and twisted like a stinker!
• Fetid
• Open door ! Duck given to us is smelly
• O, do get sour, if it gets up your nose