If you'd take your head home and boil it for a turnip it might be useful. I can't say. But it might.
These Atlantikoinonia. They’re human? (Acheron) What else would they be? Turnips? (Tory)
There's no getting blood out of a turnip.
To him who is stinted of food a boiled turnip will relish like a roast fowl.
You can't make a silk purse out of a sow's ear.