1. 
   Fold Up
   Fold up is slang for an aircraft to suddenly crash.
   Found op http://www.probertencyclopaedia.com/browse/ZF.HTM
   
   
2. 
   Fold Up
   Fold up is slang for an aircraft to suddenly crash.
   Found op http://www.probertencyclopaedia.com/browse/ZF.HTM
   
   
3. 
   folded-up
   [adj] - made compact by doubling or bending over
   Found op http://www.webdictionary.co.uk/definition.php?query=folded-up
   
   
4. 
   foldsup
   1) Closes a map
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/foldsup/1
   
   
5. 
   foldup
   1) Go out of business
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/foldup/1
   
   

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