Goodness, I haven't played dingbats for ages - we still have the game up on the bookshelves!
Could the first one ffa40 end in 'for nothing'? only a thought, probably way out!
Googled the phrase and it seems there is a Musical Hall song "Fair, fat and forty". So I think Rusty may have cracked it! well done!
Have to start thinking about the second one now.......